Dyfyniad APA

Borup, M. B., & Middlebrooks, E. J. (1987). Pollution control in the petrochemicals industry. Lewis Publishers.

Dyfyniad Arddull Chicago

Borup, M. Brett, and E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Chelsea, Mich: Lewis Publishers, 1987.

Dyfyniad MLA

Borup, M. Brett, and E. Joe Middlebrooks. Pollution Control in the Petrochemicals Industry. Lewis Publishers, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.