(1998). Standard request for proposals selection of consultants by the World Bank: ADB, UNDP. Washington, D.C.
استشهاد بنمط شيكاغوStandard Request for Proposals Selection of Consultants By the World Bank: ADB, UNDP. Washington, D.C, 1998.
MLA استشهادStandard Request for Proposals Selection of Consultants By the World Bank: ADB, UNDP. Washington, D.C, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.