APA ציטוט

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.

ציטוט MLA

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