Não informado. (1975). Irrigation and drainage abstracts. Commonwealth Agricultural Bureau.
Chicagoスタイル(17版)引用形式Não informado. Irrigation and Drainage Abstracts. Slough, Inglaterra: Commonwealth Agricultural Bureau, 1975.
MLA(8版)引用形式Não informado. Irrigation and Drainage Abstracts. Commonwealth Agricultural Bureau, 1975.
警告: この引用は必ずしも正確ではありません.