Dyfyniad APA

Yadav, R. K., & Singh ,Rajbir. (2013). Issues in global warming. Oxfrd Book Company.

Dyfyniad Arddull Chicago

Yadav, Rajesh K., and Singh ,Rajbir. Issues in Global Warming. Oxfrd Book Company, 2013.

Dyfyniad MLA

Yadav, Rajesh K., and Singh ,Rajbir. Issues in Global Warming. Oxfrd Book Company, 2013.

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