NIJKAMP, P. (1976). Environmental economics. Martinus Nijhoff Social Sciences Division.
Chicagoスタイル(17版)引用形式NIJKAMP, Peter. Environmental Economics. Leiden: Martinus Nijhoff Social Sciences Division, 1976.
MLA(9版)引用形式NIJKAMP, Peter. Environmental Economics. Martinus Nijhoff Social Sciences Division, 1976.
警告: この引用は必ずしも正確ではありません.