Dyfyniad APA

Trivedi P R. (1994). Environment & natural resources conservation. Common Wealth publishers.

Dyfyniad Arddull Chicago

Trivedi P R. Environment & Natural Resources Conservation. Common Wealth publishers, 1994.

Dyfyniad MLA

Trivedi P R. Environment & Natural Resources Conservation. Common Wealth publishers, 1994.

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