Clayton,, S. G. (1967). A Pocket Obstetrics (6th ed.). J.& A. Churchill.
Chicago Style (17th ed.) ZitazioaClayton,, Stanley G. A Pocket Obstetrics. 6th ed. London: J.& A. Churchill, 1967.
MLA (9th ed.) ZitazioaClayton,, Stanley G. A Pocket Obstetrics. 6th ed. J.& A. Churchill, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.