Não informado. (1933). The Year Book of Dermatology and Syphilology. Year Book Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. The Year Book of Dermatology and Syphilology. Chicago, Ill: Year Book Publishers, 1933.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. The Year Book of Dermatology and Syphilology. Year Book Publishers, 1933.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.