Citazione Stile APA (7a Edizione)

Esmael Ahmed, Tsegay Girmay, & Longdom Publishing. Psychoactive Substances Use (Khat, Alcohol and Tobacco) and Associated Factors among Debre Markos University Students, North-West Ethiopia, 2013.

Citazione stile Chigago Style (17a edizione)

Esmael Ahmed, Tsegay Girmay, e Longdom Publishing. Psychoactive Substances Use (Khat, Alcohol and Tobacco) and Associated Factors Among Debre Markos University Students, North-West Ethiopia, 2013.

Citatione MLA (9a ed.)

Esmael Ahmed, et al. Psychoactive Substances Use (Khat, Alcohol and Tobacco) and Associated Factors Among Debre Markos University Students, North-West Ethiopia, 2013.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.