Barrington, E. J. E. Invertsbrats structure and function.
Chicago Style (17th ed.) ZitazioaBarrington, E. J. E. Invertsbrats Structure and Function.
MLA (9th ed.) ZitazioaBarrington, E. J. E. Invertsbrats Structure and Function.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.