Dyfyniad APA

Graves, J. (1996). Global environmental changes: Plants, animals and communities. London: Longman.

Dyfyniad Arddull Chicago

Graves, Jonathan. Global Environmental Changes: Plants, Animals and Communities. London: Longman, 1996.

Dyfyniad MLA

Graves, Jonathan. Global Environmental Changes: Plants, Animals and Communities. London: Longman, 1996.

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