Graham-Brown, R. A. C. (1990). Skin in Rheumatic Disease.
Chicago Style aipamenaGraham-Brown, R A C. Skin in Rheumatic Disease. 1990.
MLA aipamenaGraham-Brown, R A C. Skin in Rheumatic Disease. 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.