APA引文

Gray, W. B. (1986). Productivity versus OSHA and EPA regulations. Michigan: Umi Reseach Press.

Trích dẫn kiểu Chicago

Gray, Wayne B. Productivity Versus OSHA and EPA Regulations. Michigan: Umi Reseach Press, 1986.

MLA引文

Gray, Wayne B. Productivity Versus OSHA and EPA Regulations. Michigan: Umi Reseach Press, 1986.

警告：這些引文格式不一定是100％准確.