(1987). V5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Illinois United Educators.
シカゴスタイル引用形V5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Chicago: Illinois United Educators, 1987.
MLA引用形式V5: Proceedings of the Fifth National Symposium on Individual and Small Community Sewage Systems. Illinois United Educators, 1987.
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