Richards, B. W. (1970). Points from Letters: Sjögren-Larsson Syndrome.
Chicago Style aipamenaRichards, B. W. Points From Letters: Sjögren-Larsson Syndrome. 1970.
MLA aipamenaRichards, B. W. Points From Letters: Sjögren-Larsson Syndrome. 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.