APA

Chao L. L., . (1969). Statistics: methods and analyses. New York: McGraw-Hill.

Chicago

Chao Lincoln L, . 1969. Statistics: methods and analyses. New York: McGraw-Hill.

Harvard

Chao L. L., . (1969). Statistics: methods and analyses. New York: McGraw-Hill.

MLA

Chao Lincoln L, . Statistics: methods and analyses. New York: McGraw-Hill. 1969.