Harper, D. M. (1992). Eutrophication of freshwaters: Principles, problems and restoration. Chapman and Hall.
Chicagoスタイル(17版)引用形式Harper, David M. Eutrophication of Freshwaters: Principles, Problems and Restoration. Londres: Chapman and Hall, 1992.
MLA(9版)引用形式Harper, David M. Eutrophication of Freshwaters: Principles, Problems and Restoration. Chapman and Hall, 1992.
警告: この引用は必ずしも正確ではありません.