APA引文

Pepper, C. M. (1919). American foreign trade: The United States as a world power in the new era of international commerce. The Century co..

芝加哥风格引文

Pepper, Charles Melville. American Foreign Trade: The United States as a World Power in the New Era of International Commerce. New York: The Century co., 1919.

MLA引文

Pepper, Charles Melville. American Foreign Trade: The United States as a World Power in the New Era of International Commerce. The Century co., 1919.