एपीए उद्धरण

Penn, C. J., & Bowen, J. M. (2020). Design and Construction of Phosphorus Removal Structures for Improving Water Quality. 1st ed. 2018. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Penn, Chad J., और James M. Bowen. Design and Construction of Phosphorus Removal Structures for Improving Water Quality. 1st Ed. 2018. Springer International Publishing, 2020.

एमएलए उद्धरण

Penn, Chad J., और James M. Bowen. Design and Construction of Phosphorus Removal Structures for Improving Water Quality. 1st Ed. 2018. Springer International Publishing, 2020.