Waithima, C. (2016). Effectiveness of life skills enhancement training on substance use reduction and implications on academic performance: A study among students from selected secondary schools in Kieni, Nyeri. Daystar University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Waithima, Charity. Effectiveness of Life Skills Enhancement Training on Substance Use Reduction and Implications on Academic Performance: A Study Among Students from Selected Secondary Schools in Kieni, Nyeri. Nairobi: Daystar University, 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Waithima, Charity. Effectiveness of Life Skills Enhancement Training on Substance Use Reduction and Implications on Academic Performance: A Study Among Students from Selected Secondary Schools in Kieni, Nyeri. Daystar University, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.