Global Alliance for Project Performance Standards. A framework for performance based competency standards for global level 1 and 2 project managers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Global Alliance for Project Performance Standards. A Framework for Performance Based Competency Standards for Global Level 1 and 2 Project Managers.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Global Alliance for Project Performance Standards. A Framework for Performance Based Competency Standards for Global Level 1 and 2 Project Managers.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.