APA-referens (7:e uppl.)

Kolde, E. (1985). Environment of international business (2nd ed.). Kent Publishing.

Chicago-referens (17:e uppl.)

Kolde, Endel-Jacob. Environment of International Business. 2nd ed. Boston: Kent Publishing, 1985.

MLA-referens (9:e uppl.)

Kolde, Endel-Jacob. Environment of International Business. 2nd ed. Kent Publishing, 1985.