Citace podle APA (7th ed.)
Ball, D. A., & McCulloch, W. H. (1990). International business: Introduction and essentials (4th ed.). Irwin.
Citace podle Chicago (17th ed.)
Ball, Donald A., a Wendell H. McCulloch. International Business: Introduction and Essentials. 4th ed. Homewood, Illinois: Irwin, 1990.
Citace podle MLA (9th ed.)
Ball, Donald A., a Wendell H. McCulloch. International Business: Introduction and Essentials. 4th ed. Irwin, 1990.
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