APA (7e ed.) Bronvermelding

Não informado. (1976). The Journal of the Western Society of Periodontology. Western Society of Periodontology.

Chicago (17e ed.) Bronvermelding

Não informado. The Journal of the Western Society of Periodontology. Los Angeles, Calif: Western Society of Periodontology, 1976.

MLA (8e ed.) Bronvermelding

Não informado. The Journal of the Western Society of Periodontology. Western Society of Periodontology, 1976.

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