Trích dẫn APA

(2006). Biological nutrient removal (BNR) operation in wastewater treatment plants: WEF manual of practice no.29. Mc Graw hill.

Trích dẫn kiểu Chicago

Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants: WEF Manual of Practice No.29. New York: Mc Graw hill, 2006.

Trích dẫn MLA

Biological Nutrient Removal (BNR) Operation in Wastewater Treatment Plants: WEF Manual of Practice No.29. Mc Graw hill, 2006.

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