Heijman, W. J. M. (1991). Depletable resources and the economy. Wageningen: Landbouwuniv. Wageningen Agricultural University.
シカゴスタイル引用形Heijman, Willem Johannes Maria. Depletable Resources and the Economy. Wageningen: Landbouwuniv. Wageningen Agricultural University, 1991.
MLA引用形式Heijman, Willem Johannes Maria. Depletable Resources and the Economy. Wageningen: Landbouwuniv. Wageningen Agricultural University, 1991.
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