APA引文

Metzger, S. D. (1973). Lowering nontariff barriers: U.S. law, practice, and negotiating objectives. Brookings Institution.

芝加哥风格引文

Metzger, Stanley D. Lowering Nontariff Barriers: U.S. Law, Practice, and Negotiating Objectives. Washington: Brookings Institution, 1973.

MLA引文

Metzger, Stanley D. Lowering Nontariff Barriers: U.S. Law, Practice, and Negotiating Objectives. Brookings Institution, 1973.

警告：这些引文格式不一定是100％准确.