Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.