Gorrie, R. M. (1946). Soil and water conservation in the Punjab.
Chicagoスタイル(17版)引用形式Gorrie, R. Maclagan. Soil and Water Conservation in the Punjab. [Simla?], 1946.
MLA(8版)引用形式Gorrie, R. Maclagan. Soil and Water Conservation in the Punjab. 1946.
警告: この引用は必ずしも正確ではありません.