APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Horn, Paul Valentine, en Henry Gomez. International Trade: Principles and Practices. Englewood Cliffs, NJ: Prentice-Hall, 1959.

MLA (9e ed.) Bronvermelding

Horn, Paul Valentine, en Henry Gomez. International Trade: Principles and Practices. Prentice-Hall, 1959.