Hanson, H., & Borlaug,E Norman. (1982). Wheat in the third world. Westview.
Chicago Edition CitationHanson, Haldore, i Borlaug,E Norman. Wheat in the Third World. Colorado: Westview, 1982.
Cita MLAHanson, Haldore, i Borlaug,E Norman. Wheat in the Third World. Westview, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.