Horn, P. V., & Gomez, H. (1959). International trade: Principles and practices (4th ed.). Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHorn, Paul V., और Henry Gomez. International Trade: Principles and Practices. 4th ed. The United States of America: Prentice-Hall, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHorn, Paul V., और Henry Gomez. International Trade: Principles and Practices. 4th ed. Prentice-Hall, 1959.