Não informado. (1967). Phosphorus in agriculture. International Superphosphate and Compound Manufacturers Association.
Chicagoスタイル(17版)引用形式Não informado. Phosphorus in Agriculture. London: International Superphosphate and Compound Manufacturers Association, 1967.
MLA(8版)引用形式Não informado. Phosphorus in Agriculture. International Superphosphate and Compound Manufacturers Association, 1967.
警告: この引用は必ずしも正確ではありません.