Portugal, E. H., Alves, J. C. R. R., Fonseca, R. P. L. d., Filho, J. d. S. A., Almeida, A. C. d. M., Araújo, I. C., . . . Silva, R. L. F. d. (2016, March). Dermatofibrosarcoma protuberans misdiagnosed as keloid and treated with triamcinolone acetonide. Revista Brasileira de Cirurgia Plástica.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Portugal, Erick Horta, José Carlos Ribeiro Resende Alves, Rebeca Paohwa Liu da Fonseca, José de Souza Andrade Filho, Augusto César de Melo Almeida, Izabella Costa Araújo, Nárlei Amarante Pereira, و Raíssa Lemos Ferreira da Silva. "Dermatofibrosarcoma Protuberans Misdiagnosed as Keloid and Treated with Triamcinolone Acetonide." Revista Brasileira De Cirurgia Plástica Mar. 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Portugal, Erick Horta, et al. "Dermatofibrosarcoma Protuberans Misdiagnosed as Keloid and Treated with Triamcinolone Acetonide." Revista Brasileira De Cirurgia Plástica, Mar. 2016.