Heath, D. (1929). Acanthosis Nigricans.
Chicago Style aipamenaHeath, Douglas. Acanthosis Nigricans. 1929.
MLA aipamenaHeath, Douglas. Acanthosis Nigricans. 1929.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Heath, D. (1929). Acanthosis Nigricans.
Chicago Style aipamenaHeath, Douglas. Acanthosis Nigricans. 1929.
MLA aipamenaHeath, Douglas. Acanthosis Nigricans. 1929.