Não informado. (1968). Journal of the Soil Association. Soil Association.
Chicagoスタイル(17版)引用形式Não informado. Journal of the Soil Association. London: Soil Association, 1968.
MLA(8版)引用形式Não informado. Journal of the Soil Association. Soil Association, 1968.
警告: この引用は必ずしも正確ではありません.