HORN, P. V., & GOMEZ, H. (1959). International trade: Principles and practices.-- Ed.4. Prentice-Hall.
芝加哥风格引文HORN, Paul V., 与 Henry GOMEZ. International Trade: Principles and Practices.-- Ed.4. Engelwood Cliffs: Prentice-Hall, 1959.
MLA引文HORN, Paul V., 与 Henry GOMEZ. International Trade: Principles and Practices.-- Ed.4. Prentice-Hall, 1959.
警告：这些引文格式不一定是100％准确.