HUDSON, N. (1979). Soil conservation. Batsford.
Chicagoスタイル(17版)引用形式HUDSON, Norman. Soil Conservation. London: Batsford, 1979.
MLA(9版)引用形式HUDSON, Norman. Soil Conservation. Batsford, 1979.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式