Villee, C. A. (1963). Biology. London: W. B. Saunders Company.
Chicago Style aipamenaVillee, Claude A. Biology. London: W. B. Saunders Company, 1963.
MLA aipamenaVillee, Claude A. Biology. London: W. B. Saunders Company, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.