Richards, E. H. (1929). TREATMENT OF INFECTIONS WITH S.U.P. 36.
Chicago Style aipamenaRichards, E. Horace. TREATMENT OF INFECTIONS WITH S.U.P. 36. 1929.
MLA aipamenaRichards, E. Horace. TREATMENT OF INFECTIONS WITH S.U.P. 36. 1929.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.