Dyfyniad APA

Brunicardi, F. C., & Schwartz, S. I. (2005). Schwartz's principles of surgery (8th ed.). McGraw-Hill Medical Publishing Division.

Dyfyniad Arddull Chicago

Brunicardi, F. Charles, and Seymour I. Schwartz. Schwartz's Principles of Surgery. 8th ed. New York: McGraw-Hill Medical Publishing Division, 2005.

Dyfyniad MLA

Brunicardi, F. Charles, and Seymour I. Schwartz. Schwartz's Principles of Surgery. 8th ed. McGraw-Hill Medical Publishing Division, 2005.

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