Reed, S. C., Crites, R. W., & Middlebrooks, E. J. (1995). Natural systems for waste management and treatment. New York: McGraw-Hill.
Παραπομπή Chicago StyleReed, Sherwood C., Ronald W. Crites, and E. Joe Middlebrooks. Natural Systems for Waste Management and Treatment. New York: McGraw-Hill, 1995.
Παραπομπή MLAReed, Sherwood C., Ronald W. Crites, and E. Joe Middlebrooks. Natural Systems for Waste Management and Treatment. New York: McGraw-Hill, 1995.
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