Goldman, H. M. (1980). Periodontal therapy (6ª ed.). The C. V. Mosby.
Lua i Stíl Chicago (17ú heag.)Goldman, Henry M. Periodontal Therapy. 6ª ed. The C. V. Mosby, 1980.
Lua MLA (9ú heag.)Goldman, Henry M. Periodontal Therapy. 6ª ed. The C. V. Mosby, 1980.
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