Horn, P. V., & Gomez, H. (1959). International trade: Principles and practices (4th ed.). Prentice-Hall.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումHorn, Paul V., and Henry Gomez. International Trade: Principles and Practices. 4th ed. The United States of America: Prentice-Hall, 1959.
MLA (9րդ խմբ.) ՄեջբերումHorn, Paul V., and Henry Gomez. International Trade: Principles and Practices. 4th ed. Prentice-Hall, 1959.