Ravitch, M. M., & Welch, K. J. (1979). Pediatric surgery: Edited by Mark M. Ravitch (3rd edition.). Year Book Medical Publishers.
Citace podle Chicago (17th ed.)Ravitch, Mark M., a Kenneth J. Welch. Pediatric Surgery: Edited by Mark M. Ravitch. 3rd edition. Chicago ; London: Year Book Medical Publishers, 1979.
Citace podle MLA (8th ed.)Ravitch, Mark M., a Kenneth J. Welch. Pediatric Surgery: Edited by Mark M. Ravitch. 3rd edition. Year Book Medical Publishers, 1979.
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