APA citiranje

Astatkie, A., Demissie, M., Berhane, Y., & Worku, A. (2015). Prevalence of and factors associated with regular khat chewing among university students in Ethiopia. Subst Abuse Rehabil.

Citação norma Chicago

Astatkie, Ayalew, Meaza Demissie, Yemane Berhane, and Alemayehu Worku. "Prevalence of and Factors Associated With Regular Khat Chewing Among University Students in Ethiopia." Subst Abuse Rehabil 2015.

MLA citiranje

Astatkie, Ayalew, Meaza Demissie, Yemane Berhane, and Alemayehu Worku. "Prevalence of and Factors Associated With Regular Khat Chewing Among University Students in Ethiopia." Subst Abuse Rehabil 2015.