Allam, S. T. (1972). Agricultural Prices: Bases of method and Control. معهد التخطيط القزمى.
Citazione stile Chigago Style (17a edizione)Allam, Saad Taha. Agricultural Prices: Bases of Method and Control. القاهرة: معهد التخطيط القزمى, 1972.
Citatione MLA (9a ed.)Allam, Saad Taha. Agricultural Prices: Bases of Method and Control. معهد التخطيط القزمى, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.