Dyfyniad APA

CUNNINGHAM, F. (2014). Williams Obstetri. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

CUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.

Dyfyniad MLA

CUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.

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