Παραπομπή APA

Kennedy, T. J. (1997). Energy conservation in wastewater treatment facilities. Alexandria, VA, USA: Water Environment Federation.

Παραπομπή Chicago Style

Kennedy, Thomas J. Energy Conservation in Wastewater Treatment Facilities. Alexandria, VA, USA: Water Environment Federation, 1997.

Παραπομπή MLA

Kennedy, Thomas J. Energy Conservation in Wastewater Treatment Facilities. Alexandria, VA, USA: Water Environment Federation, 1997.

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