Horn, P. V., & Gomez, H. (1959). International trade: Principles and practices (4th ed.). Prentice-Hall.
Citace podle Chicago (17th ed.)Horn, Paul V., a Henry Gomez. International Trade: Principles and Practices. 4th ed. The United States of America: Prentice-Hall, 1959.
Citace podle MLA (9th ed.)Horn, Paul V., a Henry Gomez. International Trade: Principles and Practices. 4th ed. Prentice-Hall, 1959.