Dyfyniad APA

Edgar, T. F. (1983). Coal processing and pollution control. Gulf.

Dyfyniad Arddull Chicago

Edgar, Thomas F. Coal Processing and Pollution Control. Houston, Texas: Gulf, 1983.

Dyfyniad MLA

Edgar, Thomas F. Coal Processing and Pollution Control. Gulf, 1983.

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