Haastrup, S. (1973). Young drug abusers: 350 patients interviewed at admission and followed up three years later. Munksgaard.
Chicago-Zitierstil (17. Ausg.)Haastrup, Søren. Young Drug Abusers: 350 Patients Interviewed at Admission and Followed Up Three Years Later. Kopenhagen: Munksgaard, 1973.
MLA-Zitierstil (9. Ausg.)Haastrup, Søren. Young Drug Abusers: 350 Patients Interviewed at Admission and Followed Up Three Years Later. Munksgaard, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.