Rizal Yaya. (2003). Objectives and characteristics of Islamic accounting: Perceptions of Muslim accounting academicians in Yogyakarta, Indonesia. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rizal Yaya. Objectives and Characteristics of Islamic Accounting: Perceptions of Muslim Accounting Academicians in Yogyakarta, Indonesia. Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rizal Yaya. Objectives and Characteristics of Islamic Accounting: Perceptions of Muslim Accounting Academicians in Yogyakarta, Indonesia. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2003.