STARR, G., & Taggart, R. (1981). Biology: The unity and diversity of life (2nd ed.). Wadsworth.
Chicago Style (17th ed.) ZitazioaSTARR, Gecie, eta Ralph Taggart. Biology: The Unity and Diversity of Life. 2nd ed. Belmont, California: Wadsworth, 1981.
MLA (9th ed.) ZitazioaSTARR, Gecie, eta Ralph Taggart. Biology: The Unity and Diversity of Life. 2nd ed. Wadsworth, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.