Amy Mardhatillah. (2008). Relationship of sprituality at the workplace, job satisfaction and organizational commitment with job performance. Kulliyyah of Islamic Revealed Knowledge and Human Sciences (Psychology), International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Amy Mardhatillah. Relationship of Sprituality at the Workplace, Job Satisfaction and Organizational Commitment with Job Performance. Gombak, Selangor: Kulliyyah of Islamic Revealed Knowledge and Human Sciences (Psychology), International Islamic University Malaysia, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Amy Mardhatillah. Relationship of Sprituality at the Workplace, Job Satisfaction and Organizational Commitment with Job Performance. Kulliyyah of Islamic Revealed Knowledge and Human Sciences (Psychology), International Islamic University Malaysia, 2008.