Ravitch, M. M., & Welch, K. J. (1979). Pediatric surgery: Edited by Mark M. Ravitch (3rd edition.). Year Book Medical Publishers.
Chicago-Zitierstil (17. Ausg.)Ravitch, Mark M., und Kenneth J. Welch. Pediatric Surgery: Edited by Mark M. Ravitch. 3rd edition. Chicago ; London: Year Book Medical Publishers, 1979.
MLA-Zitierstil (8. Ausg.)Ravitch, Mark M., und Kenneth J. Welch. Pediatric Surgery: Edited by Mark M. Ravitch. 3rd edition. Year Book Medical Publishers, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.