Mattick, H. W., & Caplan, N. (1979). The Chicago youth development project: A descriptive account of its action program and research designs (repr.). Univ. Microfilms International.
Chicago-Zitierstil (17. Ausg.)Mattick, Hans W., und Nathan Caplan. The Chicago Youth Development Project: A Descriptive Account of Its Action Program and Research Designs. repr. Ann Arbor, Mich: Univ. Microfilms International, 1979.
MLA-Zitierstil (9. Ausg.)Mattick, Hans W., und Nathan Caplan. The Chicago Youth Development Project: A Descriptive Account of Its Action Program and Research Designs. repr. Univ. Microfilms International, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.