Παραπομπή APA

(1993). Proceedings of the 47th Industrial Waste Conference May 11,12,13,1992.Purdue University, West Lafayette,Indiana. Boca Raton: Lewis Publishers, Inc..

Παραπομπή Chicago Style

Proceedings of the 47th Industrial Waste Conference May 11,12,13,1992.Purdue University, West Lafayette,Indiana. Boca Raton: Lewis Publishers, Inc., 1993.

Παραπομπή MLA

Proceedings of the 47th Industrial Waste Conference May 11,12,13,1992.Purdue University, West Lafayette,Indiana. Boca Raton: Lewis Publishers, Inc., 1993.

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