Philippines (Republic) Office of the President Development Management Staff. Basic concepts of PERT/CPM techniques. The Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines (Republic) Office of the President Development Management Staff. Basic Concepts of PERT/CPM Techniques. [Manila]: The Office.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines (Republic) Office of the President Development Management Staff. Basic Concepts of PERT/CPM Techniques. The Office.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.