Dyfyniad APA
DeCherney, A. H., & Nathan, L. (2007). Current diagnosis & treatment obstetrics & gnecology (10th ed.). McGraw Hill.
Dyfyniad Arddull Chicago
DeCherney, Alan H., and Lauren Nathan. Current Diagnosis & Treatment Obstetrics & Gnecology. 10th ed. New York: McGraw Hill, 2007.
Dyfyniad MLA
DeCherney, Alan H., and Lauren Nathan. Current Diagnosis & Treatment Obstetrics & Gnecology. 10th ed. McGraw Hill, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.