APA引文

(1998). Philip Harris international scientific. U.K: Philip Harrisscientific.

Trích dẫn kiểu Chicago

Philip Harris International Scientific. U.K: Philip Harrisscientific, 1998.

MLA引文

Philip Harris International Scientific. U.K: Philip Harrisscientific, 1998.

警告：這些引文格式不一定是100％准確.