Rianto, A. (1999). The effectiveness of a meaning-based approach in teaching subject-verb agreement to Indonesian EFL college students. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rianto, Agus. The Effectiveness of a Meaning-based Approach in Teaching Subject-verb Agreement to Indonesian EFL College Students. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rianto, Agus. The Effectiveness of a Meaning-based Approach in Teaching Subject-verb Agreement to Indonesian EFL College Students. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 1999.