APA-referens (7:e uppl.)
Schaffer, R., Earle, B., & Agusti, F. (2002). International business law and its environment (5th ed.). West/Thomson Learning.
Chicago-referens (17:e uppl.)
Schaffer, Richard, Beverley Earle, och Filiberto Agusti. International Business Law and Its Environment. 5th ed. Australia: West/Thomson Learning, 2002.
MLA-referens (9:e uppl.)
Schaffer, Richard, et al. International Business Law and Its Environment. 5th ed. West/Thomson Learning, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.