Waschkau, H. (1973). Studies on Microeconomic Demand Functions for Foodstuffs with Special Reference to the A.R.E: ( Theoretical Part ). The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Waschkau, Hans. Studies on Microeconomic Demand Functions for Foodstuffs with Special Reference to the A.R.E: ( Theoretical Part ). Cairo: The Institute of National Planning, 1973.
Lua MLA (9ú heag.)Waschkau, Hans. Studies on Microeconomic Demand Functions for Foodstuffs with Special Reference to the A.R.E: ( Theoretical Part ). The Institute of National Planning, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.