Zollinger, R. M., & Zollinger, R. M. (1988). Atlas of surgical operations (6th ed.). Macmillan.
Chicago Style aipamenaZollinger, Robert Milton, and Robert M. Zollinger. Atlas of Surgical Operations. 6th ed. New York: Macmillan, 1988.
MLA aipamenaZollinger, Robert Milton, and Robert M. Zollinger. Atlas of Surgical Operations. 6th ed. Macmillan, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.