Duna Izfanna. (2003). Motivational orientations in learning and academic achievement amongst high school students at Pondok Pesantren Darunnajah Jakarta, Indonesia. Centre for Education and Human Development, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duna Izfanna. Motivational Orientations in Learning and Academic Achievement Amongst High School Students at Pondok Pesantren Darunnajah Jakarta, Indonesia. Kuala Lumpur: Centre for Education and Human Development, International Islamic University Malaysia, 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duna Izfanna. Motivational Orientations in Learning and Academic Achievement Amongst High School Students at Pondok Pesantren Darunnajah Jakarta, Indonesia. Centre for Education and Human Development, International Islamic University Malaysia, 2003.