Não informado. (1977). The Journal of Dermatologic Surgery and Oncology. Elsevier Science.
Chicago (17e ed.) BronvermeldingNão informado. The Journal of Dermatologic Surgery and Oncology. New York: Elsevier Science, 1977.
MLA (8e ed.) BronvermeldingNão informado. The Journal of Dermatologic Surgery and Oncology. Elsevier Science, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.