APA-referens (7:e uppl.)

Chao, L. L. (1974). Statistics: Methods and analysis (2nd.ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Chao, Lincoln L. Statistics: Methods and Analysis. 2nd.ed. New York: McGraw-Hill, 1974.

MLA-referens (9:e uppl.)

Chao, Lincoln L. Statistics: Methods and Analysis. 2nd.ed. McGraw-Hill, 1974.