Mahmoud, M. W. (1968). Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումMahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. Cairo: The Institute of National Planning, 1968.
MLA (9րդ խմբ.) ՄեջբերումMahmoud, M. W. Analytical Study for Expenditure on Food in the Private Sector. The Institute of National Planning, 1968.