Stroup, H. (1964). Toward a philosophy of organized student activities. Minnesota U.P..
Chicago Style aipamenaStroup, Herbert. Toward a Philosophy of Organized Student Activities. Minneapolis: Minnesota U.P., 1964.
MLA aipamenaStroup, Herbert. Toward a Philosophy of Organized Student Activities. Minnesota U.P., 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.