Dyfyniad APA

Horan, N. J. (1990). Biological wastewater treatment systems: Theory and operation. New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

Horan, N. J. Biological Wastewater Treatment Systems: Theory and Operation. New York: John Wiley and Sons, 1990.

Dyfyniad MLA

Horan, N. J. Biological Wastewater Treatment Systems: Theory and Operation. New York: John Wiley and Sons, 1990.

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