Gebhardt, E. (1982). Essential Frankfurt school reader. Continuum Publishing.
Chicago Style aipamenaGebhardt, Eike. Essential Frankfurt School Reader. New York: Continuum Publishing, 1982.
MLA aipamenaGebhardt, Eike. Essential Frankfurt School Reader. Continuum Publishing, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.