Παραπομπή σε μορφή APA (7η εκδ.)

Knowles, M. S., Holton, E. F., & Swanson, R. A. (2005). The adult learner: The definitive classic in adult education and human resource development (6th ed.). Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Knowles, Malcolm S., Elwood F. Holton, και Richard A. Swanson. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6th ed. Amsterdam, Boston: Elsevier, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Knowles, Malcolm S., et al. The Adult Learner: The Definitive Classic in Adult Education and Human Resource Development. 6th ed. Elsevier, 2005.