Não informado. (1976). General Dentistry. Academy of General Dentistry.
Chicago-Zitierstil (17. Ausg.)Não informado. General Dentistry. Chicago, Ill: Academy of General Dentistry, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. General Dentistry. Academy of General Dentistry, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.