Collings, G. H. (2002). Commercial fertilizers: Their sources and use (4th ed.). Biotech Books.
Chicagoスタイル(17版)引用形式Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 4th ed. Delhi: Biotech Books, 2002.
MLA(9版)引用形式Collings, Gilbeart H. Commercial Fertilizers: Their Sources and Use. 4th ed. Biotech Books, 2002.
警告: この引用は必ずしも正確ではありません.