Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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