(1977). Appropriate technology for grain storage: Report of a pilot project. Economic Development Bureau.
Cita Chicago (17th ed.)Appropriate Technology for Grain Storage: Report of a Pilot Project. New Haven: Economic Development Bureau, 1977.
Cita MLA (9th ed.)Appropriate Technology for Grain Storage: Report of a Pilot Project. Economic Development Bureau, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.