Cita APA (7th ed.)

Lorch W. Walter. (1981). Handbook of Water Purification. London, McGRAW-HILL book Company(UK) Limited, 1981.

Cita Chicago (17th ed.)

Lorch W. Walter. Handbook of Water Purification. London, McGRAW-HILL book Company(UK) Limited, 1981, 1981.

Cita MLA (9th ed.)

Lorch W. Walter. Handbook of Water Purification. London, McGRAW-HILL book Company(UK) Limited, 1981, 1981.