Cofnodi Dyfyniadau

Dyfyniad APA

(2010). Esentials of environmental science. Đồng Tháp: Đại học Đồng Tháp.

Dyfyniad Arddull Chicago

Esentials of Environmental Science. Đồng Tháp: Đại học Đồng Tháp, 2010.

Dyfyniad MLA

Esentials of Environmental Science. Đồng Tháp: Đại học Đồng Tháp, 2010.

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