Eka. (2017). Character education in the Indonesian National Curriculum: An evaluation of senior high school's English textbooks. Kulliyyah of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Eka. Character Education in the Indonesian National Curriculum: An Evaluation of Senior High School's English Textbooks. Kuala Lumpur: Kulliyyah of Education, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Eka. Character Education in the Indonesian National Curriculum: An Evaluation of Senior High School's English Textbooks. Kulliyyah of Education, International Islamic University Malaysia, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.