Não informado. (1976). UPDATE IN PERIODONTICS. American Dental Association.
Style de citation Chicago (17e éd.)Não informado. UPDATE IN PERIODONTICS. Chicago, Ill: American Dental Association, 1976.
Style de citation MLA (8e éd.)Não informado. UPDATE IN PERIODONTICS. American Dental Association, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.