APA引文

(1967). The future of U.S. foreign trade policy. Washington: U. S. Government Printing Office.

Trích dẫn kiểu Chicago

The Future of U.S. Foreign Trade Policy. Washington: U. S. Government Printing Office, 1967.

MLA引文

The Future of U.S. Foreign Trade Policy. Washington: U. S. Government Printing Office, 1967.

警告：這些引文格式不一定是100％准確.