Dyfyniad APA

Nelson, L. S., Shih, R., & Balick, M. J. (2007). Handbook of poisonous and injurious plants (2nd ed.). The New York Botanical Garden : Springer.

Dyfyniad Arddull Chicago

Nelson, Lewis S., Richard Shih, and Michael J. Balick. Handbook of Poisonous and Injurious Plants. 2nd ed. New York: The New York Botanical Garden : Springer, 2007.

Dyfyniad MLA

Nelson, Lewis S., et al. Handbook of Poisonous and Injurious Plants. 2nd ed. The New York Botanical Garden : Springer, 2007.

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