APA

Frandsen A., Microsoft Corporation, . (1984). Public health aspects of periodontal disease. Chicago: Quintessence.

Chicago

Frandsen Asger, Microsoft Corporation, . 1984. Public health aspects of periodontal disease. Chicago: Quintessence.

Harvard

Frandsen A., Microsoft Corporation, . (1984). Public health aspects of periodontal disease. Chicago: Quintessence.

MLA

Frandsen Asger, Microsoft Corporation, . Public health aspects of periodontal disease. Chicago: Quintessence. 1984.