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Citação do estilo Chicago (17ª ed.)American Venereal Disease Association. American Journal of Syphilis, Gonorrhea and Venereal Diseases. Saint Louis, Mo: Mosby, 2017.
Citação MLA (8ª ed.)American Venereal Disease Association. American Journal of Syphilis, Gonorrhea and Venereal Diseases. Mosby, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.