Ahmad, U. (2019). Malaysian public private partnership projects: Success factors and risks affecting project success and moderating role of risk management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad, Usman. Malaysian Public Private Partnership Projects: Success Factors and Risks Affecting Project Success and Moderating Role of Risk Management. 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ahmad, Usman. Malaysian Public Private Partnership Projects: Success Factors and Risks Affecting Project Success and Moderating Role of Risk Management. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.