Mike Robinson. (1984). Groups. John Wiley.
Chicago Style aipamenaMike Robinson. Groups. New York: John Wiley, 1984.
MLA aipamenaMike Robinson. Groups. John Wiley, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Mike Robinson. (1984). Groups. John Wiley.
Chicago Style aipamenaMike Robinson. Groups. New York: John Wiley, 1984.
MLA aipamenaMike Robinson. Groups. John Wiley, 1984.