Horn, P. V., & Gomez, H. (1959). International trade: Principles and practices (4th ed.). Prentice-Hall.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিHorn, Paul V., এবং Henry Gomez. International Trade: Principles and Practices. 4th ed. The United States of America: Prentice-Hall, 1959.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিHorn, Paul V., এবং Henry Gomez. International Trade: Principles and Practices. 4th ed. Prentice-Hall, 1959.