Dyfyniad APA

Lal B Suresh. (2011). Current environmental issues and challenges. Serial publications.

Dyfyniad Arddull Chicago

Lal B Suresh. Current Environmental Issues and Challenges. New Delhi: Serial publications, 2011.

Dyfyniad MLA

Lal B Suresh. Current Environmental Issues and Challenges. Serial publications, 2011.

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