Starr, C. (1994). Biology: Concepts and applications (2nd ed.). Wadsworth Pub. Co.
Chicago Style (17th ed.) ZitazioaStarr, Cecie. Biology: Concepts and Applications. 2nd ed. Belmont, Calif: Wadsworth Pub. Co, 1994.
MLA (9th ed.) ZitazioaStarr, Cecie. Biology: Concepts and Applications. 2nd ed. Wadsworth Pub. Co, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.