Dyfyniad APA

Camp, P. S., Jenner, J. V., & Zalisko, E. J. (1994). Biology: A journey into life (3rd ed.). Saunders.

Dyfyniad Arddull Chicago

Camp, Pamela S., Janann V. Jenner, and Edward J. Zalisko. Biology: A Journey into Life. 3rd ed. Fort Worth: Saunders, 1994.

Dyfyniad MLA

Camp, Pamela S., et al. Biology: A Journey into Life. 3rd ed. Saunders, 1994.

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