Dyfyniad APA

Solomon, E. P., Berg, L. R., & Martin, D. W. (2002). Biology (6th ed.). Brooks/Cole Thomson Learning.

Dyfyniad Arddull Chicago

Solomon, Eldra Pearl, Linda R. Berg, and Diana W. Martin. Biology. 6th ed. [Pacific Grove, CA]: Brooks/Cole Thomson Learning, 2002.

Dyfyniad MLA

Solomon, Eldra Pearl, et al. Biology. 6th ed. Brooks/Cole Thomson Learning, 2002.

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