Schwartz, S. I. (1989). Principles of surgery: PreTest self-assessment and review (5th ed.). McGraw-Hill Information Services, Health Professions Division, PreTest Series.
Chicago-viite (17. p.)Schwartz, Seymour I. Principles of Surgery: PreTest Self-assessment and Review. 5th ed. New York: McGraw-Hill Information Services, Health Professions Division, PreTest Series, 1989.
MLA-viite (9. p.)Schwartz, Seymour I. Principles of Surgery: PreTest Self-assessment and Review. 5th ed. McGraw-Hill Information Services, Health Professions Division, PreTest Series, 1989.
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