Dyfyniad APA

Clark, W. (1977). Energy for survival: The alternative to extinction. Allied Publishers (P) Ltd..

Dyfyniad Arddull Chicago

Clark, Wilson. Energy for Survival: The Alternative to Extinction. Allied Publishers (P) Ltd., 1977.

Dyfyniad MLA

Clark, Wilson. Energy for Survival: The Alternative to Extinction. Allied Publishers (P) Ltd., 1977.

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