Cita APA (7th ed.)

Hardenbergh, W. A. Water supply and purification.

Cita Chicago (17th ed.)

Hardenbergh, W. A. Water Supply and Purification.

Cita MLA (8th ed.)

Hardenbergh, W. A. Water Supply and Purification.

Atenció: Aquestes cites poden no estar 100% correctes.