Não informado. (1937). Soils and Fertilizers: Abstracts of world literature. Commonwealth Agricultural Bureau.
Chicagoスタイル(17版)引用形式Não informado. Soils and Fertilizers: Abstracts of World Literature. Farnham Royal, Inglaterra: Commonwealth Agricultural Bureau, 1937.
MLA(8版)引用形式Não informado. Soils and Fertilizers: Abstracts of World Literature. Commonwealth Agricultural Bureau, 1937.
警告: この引用は必ずしも正確ではありません.