United States. Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. (1980). Urban America in the eighties: Perspectives and prospects ; report of the Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. President's Commission for a National Agenda for the Eighties : [For sale by the Supt. of Docs., U.S. Govt. Print. Off.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. Urban America in the Eighties: Perspectives and Prospects ; Report of the Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. Washington: President's Commission for a National Agenda for the Eighties : [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. Urban America in the Eighties: Perspectives and Prospects ; Report of the Panel on Policies and Prospects for Metropolitan and Nonmetropolitan America. President's Commission for a National Agenda for the Eighties : [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1980.