APA引文

Yuan, R. T. (1987). Biotechnology in Western Europe. Washington, D.C: International Trade Administration U.s. department of Commerce.

Trích dẫn kiểu Chicago

Yuan, Robert T. Biotechnology in Western Europe. Washington, D.C: International Trade Administration U.s. department of Commerce, 1987.

MLA引文

Yuan, Robert T. Biotechnology in Western Europe. Washington, D.C: International Trade Administration U.s. department of Commerce, 1987.

警告：這些引文格式不一定是100％准確.