APA aipamena

Spellman, F. R. (2003). Handbook of Water and wastewater treatment plant operations.

Chicago Style aipamena

Spellman, Frank R. Handbook of Water and Wastewater Treatment Plant Operations. London, Lewis Publishers, 2003.

MLA aipamena

Spellman, Frank R. Handbook of Water and Wastewater Treatment Plant Operations. 2003.