Febrian, R. (2015). Exploring learning motivation and challenges among Indonesian students: Kulliyyah of Education International Islamic University Malaysia (IIUM). Kulliyyah of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Febrian, Ratih. Exploring Learning Motivation and Challenges Among Indonesian Students: Kulliyyah of Education International Islamic University Malaysia (IIUM). Kuala Lumpur: Kulliyyah of Education, International Islamic University Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Febrian, Ratih. Exploring Learning Motivation and Challenges Among Indonesian Students: Kulliyyah of Education International Islamic University Malaysia (IIUM). Kulliyyah of Education, International Islamic University Malaysia, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.