Allam, S. T. (1972). Agricultural Prices: Bases of method and Control. معهد التخطيط القزمى.
Citação do estilo Chicago (17ª ed.)Allam, Saad Taha. Agricultural Prices: Bases of Method and Control. القاهرة: معهد التخطيط القزمى, 1972.
Citação MLA (9ª ed.)Allam, Saad Taha. Agricultural Prices: Bases of Method and Control. معهد التخطيط القزمى, 1972.