APA (7e ed.) Bronvermelding

Não informado. (1981). International Journal of Periodontics and Restorative Dentistry. Quintessence Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. International Journal of Periodontics and Restorative Dentistry. Chicago, Ill: Quintessence Publishing, 1981.

MLA (8e ed.) Bronvermelding

Não informado. International Journal of Periodontics and Restorative Dentistry. Quintessence Publishing, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.