Wills, W. D. (2023). The Hawkspur experiment: An informal account of the training of wayward adolescents. Routledge library editions.
Chicago-Zitierstil (17. Ausg.)Wills, William David. "The Hawkspur Experiment: An Informal Account of the Training of Wayward Adolescents." Routledge Library Editions 2023.
MLA-Zitierstil (9. Ausg.)Wills, William David. "The Hawkspur Experiment: An Informal Account of the Training of Wayward Adolescents." Routledge Library Editions, 2023.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.