Não informado. (1963). Intensive Agriculture. Ministry of Agriculture and Rural Development, Directorate of Extension.
Chicagoスタイル(17版)引用形式Não informado. Intensive Agriculture. New Delhi: Ministry of Agriculture and Rural Development, Directorate of Extension, 1963.
MLA(8版)引用形式Não informado. Intensive Agriculture. Ministry of Agriculture and Rural Development, Directorate of Extension, 1963.
警告: この引用は必ずしも正確ではありません.