Goor, L. v. d. (1994). Research methods for illegal drug use in hidden populations: Summary report of a European invited expert meeting. Journal of psychoactive drugs, 26(1), 33-40.
Chicago-Zitierstil (17. Ausg.)Goor, L.A.M. van de. "Research Methods for Illegal Drug Use in Hidden Populations: Summary Report of a European Invited Expert Meeting." Journal of Psychoactive Drugs 26, no. 1 (1994): 33-40.
MLA-Zitierstil (8. Ausg.)Goor, L.A.M. van de. "Research Methods for Illegal Drug Use in Hidden Populations: Summary Report of a European Invited Expert Meeting." Journal of Psychoactive Drugs, vol. 26, no. 1, 1994, pp. 33-40.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.