Dyfyniad APA

Pathak,, H. (2010). Economics of environmental development. Cyber Tech.

Dyfyniad Arddull Chicago

Pathak,, H.K. Economics of Environmental Development. New Delhi: Cyber Tech, 2010.

Dyfyniad MLA

Pathak,, H.K. Economics of Environmental Development. Cyber Tech, 2010.

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