Não informado. (1976). UPDATE IN PERIODONTICS. American Dental Association.
Chicago Style (17th ed.) CitationNão informado. UPDATE IN PERIODONTICS. Chicago, Ill: American Dental Association, 1976.
MLA (8th ed.) CitationNão informado. UPDATE IN PERIODONTICS. American Dental Association, 1976.
Warning: These citations may not always be 100% accurate.