Dyfyniad APA

Allen, G., & Baker, J. (2001). Biology: Scientific process and social issues. Fitzgerald Science Press.

Dyfyniad Arddull Chicago

Allen, Garland, and Jeffrey Baker. Biology: Scientific Process and Social Issues. Bethesda: Fitzgerald Science Press, 2001.

Dyfyniad MLA

Allen, Garland, and Jeffrey Baker. Biology: Scientific Process and Social Issues. Fitzgerald Science Press, 2001.

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