Villapando, I. L. (1984). Systems of price support and procurement of major agricultural commodities in selected Asian countries: An overview. Center on Integrated Rural Development for Asia and the Pacific.
Lua i Stíl Chicago (17ú heag.)Villapando, Irene L. Systems of Price Support and Procurement of Major Agricultural Commodities in Selected Asian Countries: An Overview. Comilla, Bangladesh: Center on Integrated Rural Development for Asia and the Pacific, 1984.
Lua MLA (8ú heag.)Villapando, Irene L. Systems of Price Support and Procurement of Major Agricultural Commodities in Selected Asian Countries: An Overview. Center on Integrated Rural Development for Asia and the Pacific, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.