Brentel, H. (2019). Doctoral supervision: Handbook for establishing a productive and supportive supervision culture (Second edition.). Helmut Brentel.
Chicago-Zitierstil (17. Ausg.)Brentel, Helmut. Doctoral Supervision: Handbook for Establishing a Productive and Supportive Supervision Culture. Second edition. Frankfurt am Main: Helmut Brentel, 2019.
MLA-Zitierstil (9. Ausg.)Brentel, Helmut. Doctoral Supervision: Handbook for Establishing a Productive and Supportive Supervision Culture. Second edition. Helmut Brentel, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.