Lewis Publishers. (1993). Industrial waste conference: Proceedings of the 47th industrial waste conference.Prudue university, West Lafayette, Indiana,11-13 May, 1992. Lewis Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Lewis Publishers. Industrial Waste Conference: Proceedings of the 47th Industrial Waste Conference.Prudue University, West Lafayette, Indiana,11-13 May, 1992. Boca Raton: Lewis Publishers, 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Lewis Publishers. Industrial Waste Conference: Proceedings of the 47th Industrial Waste Conference.Prudue University, West Lafayette, Indiana,11-13 May, 1992. Lewis Publishers, 1993.
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