Howenstine, R. J. (1974). Future time perspective and its relation to the effects of external stimulation and activity upon time estimation in delinquent and non-delinquent male adolescents. Univ. Microfilms.
Chicago-Zitierstil (17. Ausg.)Howenstine, Robert Jay. Future Time Perspective and Its Relation to the Effects of External Stimulation and Activity upon Time Estimation in Delinquent and Non-delinquent Male Adolescents. Ann Arbor, Mich: Univ. Microfilms, 1974.
MLA-Zitierstil (9. Ausg.)Howenstine, Robert Jay. Future Time Perspective and Its Relation to the Effects of External Stimulation and Activity upon Time Estimation in Delinquent and Non-delinquent Male Adolescents. Univ. Microfilms, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.