Little, E. G. G. (1916). Very Unusual Tumours of the Skin.
Chicago Style aipamenaLittle, E. G. Graham. Very Unusual Tumours of the Skin. 1916.
MLA aipamenaLittle, E. G. Graham. Very Unusual Tumours of the Skin. 1916.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.