Dyfyniad APA

Kumar, S. (1987). Gas production engineering. Gulf Pub Co., Book Division.

Dyfyniad Arddull Chicago

Kumar, S. Gas Production Engineering. Houston: Gulf Pub Co., Book Division, 1987.

Dyfyniad MLA

Kumar, S. Gas Production Engineering. Gulf Pub Co., Book Division, 1987.

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