Dyfyniad APA

Moore, R. (1975). Man in the environment. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Moore, Ruth. Man in the Environment. Tata McGraw-Hill, 1975.

Dyfyniad MLA

Moore, Ruth. Man in the Environment. Tata McGraw-Hill, 1975.

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