Dyfyniad APA

Horn, P. V., & Gomez, H. (1959). International trade: Principles and practices (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Horn, Paul V., and Henry Gomez. International Trade: Principles and Practices. 4th ed. The United States of America: Prentice-Hall, 1959.

Dyfyniad MLA

Horn, Paul V., and Henry Gomez. International Trade: Principles and Practices. 4th ed. Prentice-Hall, 1959.

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