Dyfyniad APA

Sinha, P. C. (1998). International encyclopaedia of sustainable development. Anmol Publications.

Dyfyniad Arddull Chicago

Sinha, P. C. International Encyclopaedia of Sustainable Development. New Delhi: Anmol Publications, 1998.

Dyfyniad MLA

Sinha, P. C. International Encyclopaedia of Sustainable Development. Anmol Publications, 1998.

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