Dyfyniad APA

Cunningham, f. g. (2005). williams obstetrics 22 nd edition. McGraw-Hill Book Company.

Dyfyniad Arddull Chicago

Cunningham, f. gary. Williams Obstetrics 22 Nd Edition. McGraw-Hill Book Company, 2005.

Dyfyniad MLA

Cunningham, f. gary. Williams Obstetrics 22 Nd Edition. McGraw-Hill Book Company, 2005.

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