APA引文

(1971). Industrial research institutes: Guidelines for evaluation. New York: United Nations.

Trích dẫn kiểu Chicago

Industrial Research Institutes: Guidelines for Evaluation. New York: United Nations, 1971.

MLA引文

Industrial Research Institutes: Guidelines for Evaluation. New York: United Nations, 1971.

警告：這些引文格式不一定是100％准確.