Dyfyniad APA

New York Academy of Medicine. Preventive medicine. New York Academy of Medicine.

Dyfyniad Arddull Chicago

New York Academy of Medicine. Preventive Medicine. New York: New York Academy of Medicine.

Dyfyniad MLA

New York Academy of Medicine. Preventive Medicine. New York Academy of Medicine.

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