Arms, K., & Camp, P. S. (1982). Biology (2nd ed.). Saunders College Publishing.
Dyfyniad Arddull ChicagoArms, Karen, and Pamela S. Camp. Biology. 2nd ed. Philadelphia: Saunders College Publishing, 1982.
Dyfyniad MLAArms, Karen, and Pamela S. Camp. Biology. 2nd ed. Saunders College Publishing, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.