Pratt, A. (1978). Directory of Waste Disposal and Recovery. Geprge Godwin.
シカゴスタイル引用形Pratt, Alan. Directory of Waste Disposal and Recovery. London: Geprge Godwin, 1978.
MLA引用形式Pratt, Alan. Directory of Waste Disposal and Recovery. Geprge Godwin, 1978.
警告: この引用は必ずしも正確ではありません.