Starr, C. (1997). Biology: Concepts and applications (3rd ed.). Wadsworth Pub..
Chicago Style (17th ed.) ZitazioaStarr, Cecie. Biology: Concepts and Applications. 3rd ed. Belmont, CA: Wadsworth Pub., 1997.
MLA (9th ed.) ZitazioaStarr, Cecie. Biology: Concepts and Applications. 3rd ed. Wadsworth Pub., 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.