Braat, L. C., & Lierop, W. F. J. v. (1987). Economic-ecological modeling. North-Holland.
芝加哥风格引文Braat, Leon C., 与 Wal F. J. van Lierop. Economic-ecological Modeling. Amsterdam: North-Holland, 1987.
MLA引文Braat, Leon C., 与 Wal F. J. van Lierop. Economic-ecological Modeling. North-Holland, 1987.
警告：这些引文格式不一定是100％准确.