APA (7th ed.) Citation

Não informado. (1986). Water & wastewater international. PY Publishing.

Chicago Style (17th ed.) Citation

Não informado. Water & Wastewater International. Houston, Tex: PY Publishing, 1986.

MLA (8th ed.) Citation

Não informado. Water & Wastewater International. PY Publishing, 1986.

Warning: These citations may not always be 100% accurate.