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.
Чикаго стиль цитування (17-те видання)Esmael Ahmed, Tsegay Girmay, та Longdom Publishing. Psychoactive Substances Use (Khat, Alcohol and Tobacco) and Associated Factors Among Debre Markos University Students, North-West Ethiopia, 2013.
Стиль цитування MLA (9-ме видання)Esmael Ahmed, et al. Psychoactive Substances Use (Khat, Alcohol and Tobacco) and Associated Factors Among Debre Markos University Students, North-West Ethiopia, 2013.
Попередження: стилі цитування не завжди правильні на всі 100%.