Nugraheni, P. (2012). Voluntary disclosure and company characteristics of Indonesian listed companies: Comparison of shariah and non-shariah compliant companies. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nugraheni, Peni. Voluntary Disclosure and Company Characteristics of Indonesian Listed Companies: Comparison of Shariah and Non-shariah Compliant Companies. Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nugraheni, Peni. Voluntary Disclosure and Company Characteristics of Indonesian Listed Companies: Comparison of Shariah and Non-shariah Compliant Companies. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2012.