Dyfyniad APA

(1997). The Ecological Community Ediled By Roger S.gottlieb. Routledge.

Dyfyniad Arddull Chicago

The Ecological Community Ediled By Roger S.gottlieb. Routledge, 1997.

Dyfyniad MLA

The Ecological Community Ediled By Roger S.gottlieb. Routledge, 1997.

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