el-hefny, a. (1964). forecasting for management of seasonal goods inventories. National Planning Institute.
Цитирование в стиле Чикаго (17-е изд.)el-hefny, amina. Forecasting for Management of Seasonal Goods Inventories. cairo: National Planning Institute, 1964.
Цитирование MLA (9-е изд.)el-hefny, amina. Forecasting for Management of Seasonal Goods Inventories. National Planning Institute, 1964.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.