APA

Cottle C. S., Whitman W. T. 1. j. a., . (1953). Investment timing. New York: McGraw-Hill.

Chicago

Cottle Charles Sidney, Whitman William Tate 1909 jt au, . 1953. Investment timing. New York: McGraw-Hill.

Harvard

Cottle C. S., Whitman W. T. 1. j. a., . (1953). Investment timing. New York: McGraw-Hill.

MLA

Cottle Charles Sidney, Whitman William Tate 1909 jt au, . Investment timing. New York: McGraw-Hill. 1953.