Shajna binti Ismail. (2013). Teachers' intrinsic and extrinsic motivation towards teaching English: A study among Malaysian in-service english language teachers. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shajna binti Ismail. Teachers' Intrinsic and Extrinsic Motivation Towards Teaching English: A Study Among Malaysian In-service English Language Teachers. Kuala Lumpur: Institute of Education, International Islamic University Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Shajna binti Ismail. Teachers' Intrinsic and Extrinsic Motivation Towards Teaching English: A Study Among Malaysian In-service English Language Teachers. Institute of Education, International Islamic University Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.