APA-referens (7:e uppl.)

Steel, R. G. D., & Torrie, J. H. (1980). Principles and procedures of statistics: A biometrical approach (2nd ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Steel, Robert G. D., och James Hiram Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2nd ed. New York: McGraw-Hill, 1980.

MLA-referens (9:e uppl.)

Steel, Robert G. D., och James Hiram Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2nd ed. McGraw-Hill, 1980.