Dyfyniad APA

Hinrichs, R. A. (2006). Energy: Its use and the environment. Australia: Thomson Brooks/Cole.

Dyfyniad Arddull Chicago

Hinrichs, Roger A. Energy: Its Use and the Environment. Australia: Thomson Brooks/Cole, 2006.

Dyfyniad MLA

Hinrichs, Roger A. Energy: Its Use and the Environment. Australia: Thomson Brooks/Cole, 2006.

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