Styl cytowania APA

Yarbrough, B. V., & Yarbrough, R. M. (2003). World economy: Trade and finance (6th ed.). South Western.

Styl cytowania Chicago

Yarbrough, Beth V., i Robert M. Yarbrough. World Economy: Trade and Finance. 6th ed. Australia: South Western, 2003.

Styl cytowania MLA

Yarbrough, Beth V., i Robert M. Yarbrough. World Economy: Trade and Finance. 6th ed. South Western, 2003.