American Academy of Periodontology\nAmerican Society of Periodontists. (1963). Periodontics. American Society of Periodontists.
Chicago-referens (17:e uppl.)American Academy of Periodontology\nAmerican Society of Periodontists. Periodontics. Chicago, Ill: American Society of Periodontists, 1963.
MLA-referens (8:e uppl.)American Academy of Periodontology\nAmerican Society of Periodontists. Periodontics. American Society of Periodontists, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.