APA
Puerto Rico, Puerto Rico, . (1941). Internal revenue law of Puerto Rico: Act no. 85, approved August 20, 1925, as amended by acts no. 10, of July 16, 1926, no. 17 of June 3, 1927, no. 18, of April 19, 1928, no. 36, of Apr. 23, 1928, no. 83, of May 6, 1931, no. 84, of May 7, 1931, no. 89, of May 11, 1931, no. 11, of Jul. 21, 1932, Joint resolution no. 13, of Apr. 18, 1933, Law no. 11, of Aug. 22, 1933, no. 108, of May 15, 1936, Law no. 7 of June 30, 1936. San Juan, P.R: Bureau of Supplies, Printing, and Transportation.
Chicago
Puerto Rico, Puerto Rico, . 1941. Internal revenue law of Puerto Rico: Act no. 85, approved August 20, 1925, as amended by acts no. 10, of July 16, 1926, no. 17 of June 3, 1927, no. 18, of April 19, 1928, no. 36, of Apr. 23, 1928, no. 83, of May 6, 1931, no. 84, of May 7, 1931, no. 89, of May 11, 1931, no. 11, of Jul. 21, 1932, Joint resolution no. 13, of Apr. 18, 1933, Law no. 11, of Aug. 22, 1933, no. 108, of May 15, 1936, Law no. 7 of June 30, 1936. San Juan, P.R: Bureau of Supplies, Printing, and Transportation.
Harvard
Puerto Rico, Puerto Rico, . (1941). Internal revenue law of Puerto Rico: Act no. 85, approved August 20, 1925, as amended by acts no. 10, of July 16, 1926, no. 17 of June 3, 1927, no. 18, of April 19, 1928, no. 36, of Apr. 23, 1928, no. 83, of May 6, 1931, no. 84, of May 7, 1931, no. 89, of May 11, 1931, no. 11, of Jul. 21, 1932, Joint resolution no. 13, of Apr. 18, 1933, Law no. 11, of Aug. 22, 1933, no. 108, of May 15, 1936, Law no. 7 of June 30, 1936. San Juan, P.R: Bureau of Supplies, Printing, and Transportation.
MLA
Puerto Rico, Puerto Rico, . Internal revenue law of Puerto Rico: Act no. 85, approved August 20, 1925, as amended by acts no. 10, of July 16, 1926, no. 17 of June 3, 1927, no. 18, of April 19, 1928, no. 36, of Apr. 23, 1928, no. 83, of May 6, 1931, no. 84, of May 7, 1931, no. 89, of May 11, 1931, no. 11, of Jul. 21, 1932, Joint resolution no. 13, of Apr. 18, 1933, Law no. 11, of Aug. 22, 1933, no. 108, of May 15, 1936, Law no. 7 of June 30, 1936. San Juan, P.R: Bureau of Supplies, Printing, and Transportation. 1941.