Kebede, D., Alem, A., Mitike, G., Enquselassie, F., Berhane, F., Abebe, Y., . . . Gebremichael, T. (2005). Khat and alcohol use and risky sex behaviour among in-school and out-of-school youth in Ethiopia. BioMed Central.
Chicago ZitierstilKebede, Derege, et al. Khat and Alcohol Use and Risky Sex Behaviour Among In-school and Out-of-school Youth in Ethiopia. BioMed Central, 2005.
MLA ZitierstilKebede, Derege, et al. Khat and Alcohol Use and Risky Sex Behaviour Among In-school and Out-of-school Youth in Ethiopia. BioMed Central, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.