Mahmoud, M. W. (1968). Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning.
芝加哥风格引文Mahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. Cairo: The Institute of National Planning, 1968.
MLA引文Mahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning, 1968.
警告：这些引文格式不一定是100％准确.