APA-referens (7:e uppl.)

Weirs, R. M. (2008). Introduction to business statistics (6th ed.). Thomson.

Chicago-referens (17:e uppl.)

Weirs, Ronald M. Introduction to Business Statistics. 6th ed. Australia: Thomson, 2008.

MLA-referens (9:e uppl.)

Weirs, Ronald M. Introduction to Business Statistics. 6th ed. Thomson, 2008.