Cita APA (7th ed.)

Folsom, R. H., Gordon, M. W., & Spanogle, J. A. (2005). Principles of international business transactions, trade and economic relations. Thomson/West.

Cita Chicago (17th ed.)

Folsom, Ralph Haughwout, Michael W. Gordon, i John A. Spanogle. Principles of International Business Transactions, Trade and Economic Relations. St. Paul, Minnesota: Thomson/West, 2005.

Cita MLA (9th ed.)

Folsom, Ralph Haughwout, et al. Principles of International Business Transactions, Trade and Economic Relations. Thomson/West, 2005.