APA引文

(1986). A completitive assessment of the U.S. ethylene industry. Washington: International Trade Administration.

Trích dẫn kiểu Chicago

A Completitive Assessment of the U.S. Ethylene Industry. Washington: International Trade Administration, 1986.

MLA引文

A Completitive Assessment of the U.S. Ethylene Industry. Washington: International Trade Administration, 1986.

警告：这些引文格式不一定是100％准确.