Mahmoud, M. W. (1968). Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Mahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. Cairo: The Institute of National Planning, 1968.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Mahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning, 1968.