Não informado. (1989). Practical Periodontics and Aesthetic Dentistry. Montage Media Corporation.
Chicago-viite (17. p.)Não informado. Practical Periodontics and Aesthetic Dentistry. Mahwah, NJ: Montage Media Corporation, 1989.
MLA-viite (8. p.)Não informado. Practical Periodontics and Aesthetic Dentistry. Montage Media Corporation, 1989.
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