Dyfyniad APA

Richard Robinson, & Richard Robinson; editor in chief. (2002). Biology. New York: Macmillan Reference USA.

Dyfyniad Arddull Chicago

Richard Robinson, và Richard Robinson; editor in chief. Biology. New York: Macmillan Reference USA, 2002.

Dyfyniad MLA

Richard Robinson, và Richard Robinson; editor in chief. Biology. New York: Macmillan Reference USA, 2002.

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