Dyfyniad APA

Ellis, H., Calne, R. Y., & Watson, C. J. E. (2011). Lecture notes: General surgery (12th ed.). Wiley-Blackwell.

Dyfyniad Arddull Chicago

Ellis, Harold, Roy Yorke Calne, and Christopher J. E. Watson. Lecture Notes: General Surgery. 12th ed. Hoboken, NJ: Wiley-Blackwell, 2011.

Dyfyniad MLA

Ellis, Harold, et al. Lecture Notes: General Surgery. 12th ed. Wiley-Blackwell, 2011.

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