Dyfyniad APA

Singh, A. (2003). Encyclopedia of teaching of environmental sciences, Vol. 2. Anmol.

Dyfyniad Arddull Chicago

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. NewDelhi: Anmol, 2003.

Dyfyniad MLA

Singh, A.K. Encyclopedia of Teaching of Environmental Sciences, Vol. 2. Anmol, 2003.

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