Dyfyniad APA

Zollinger, R. M., & Zollinger, R. M. (1988). Atlas of surgical operations (6th ed.). Macmillan.

Dyfyniad Arddull Chicago

Zollinger, Robert Milton, and Robert M. Zollinger. Atlas of Surgical Operations. 6th ed. New York: Macmillan, 1988.

Dyfyniad MLA

Zollinger, Robert Milton, and Robert M. Zollinger. Atlas of Surgical Operations. 6th ed. Macmillan, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.