(1999). Exploring life science (Teacher's ed.). Prentice-Hall.
Chicago Style aipamenaExploring Life Science. Teacher's ed. Upper Saddle River, N.J: Prentice-Hall, 1999.
MLA aipamenaExploring Life Science. Teacher's ed. Prentice-Hall, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.