Dyfyniad APA

Starr, C., & Taggart, R. (1998). Evolution of life (8th ed.). Wadsworth Pub.

Dyfyniad Arddull Chicago

Starr, Cecie, and Ralph Taggart. Evolution of Life. 8th ed. Belmont, CA: Wadsworth Pub, 1998.

Dyfyniad MLA

Starr, Cecie, and Ralph Taggart. Evolution of Life. 8th ed. Wadsworth Pub, 1998.

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