Kimball, J. W. (1994). Biology (6th ed.). W.M.C. Brown.
Chicago Style aipamenaKimball, John W. Biology. 6th ed. Dubuque (U.K.): W.M.C. Brown, 1994.
MLA aipamenaKimball, John W. Biology. 6th ed. W.M.C. Brown, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.