Knowles, M. S., Holton, E. F., & Swanson, R. A. (2015). The adult learner: The definitive classic in adult education and human resource development (Eighth edition.). Routledge.
Chicago-Zitierstil (17. Ausg.)Knowles, Malcolm S., Elwood F. Holton, und Richard A. Swanson. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. Eighth edition. London: Routledge, 2015.
MLA-Zitierstil (9. Ausg.)Knowles, Malcolm S., et al. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. Eighth edition. Routledge, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.