Dyfyniad APA

Shukla,S.K, & Srivastava,P.R. (1997). Encyclopaedia of environmental pollution: Vol.5. Commonwealth Publishers.

Dyfyniad Arddull Chicago

Shukla,S.K, and Srivastava,P.R. Encyclopaedia of Environmental Pollution: Vol.5. New Delhi: Commonwealth Publishers, 1997.

Dyfyniad MLA

Shukla,S.K, and Srivastava,P.R. Encyclopaedia of Environmental Pollution: Vol.5. Commonwealth Publishers, 1997.

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