Jamalludin Helmi bin Hashim. (2012). The perceived usefulness of activity-based costing information in a public multi-campus university system: A case of Universiti Teknologi Mara (UiTM). Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jamalludin Helmi bin Hashim. The Perceived Usefulness of Activity-based Costing Information in a Public Multi-campus University System: A Case of Universiti Teknologi Mara (UiTM). Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jamalludin Helmi bin Hashim. The Perceived Usefulness of Activity-based Costing Information in a Public Multi-campus University System: A Case of Universiti Teknologi Mara (UiTM). Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2012.