Obura, S. O. (1974). Attitude towards and interest in teaching among trained secondary school teachers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Obura, Simeon Ojwang'a. Attitude Towards and Interest in Teaching Among Trained Secondary School Teachers. 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Obura, Simeon Ojwang'a. Attitude Towards and Interest in Teaching Among Trained Secondary School Teachers. 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.