Cita APA (7th ed.)

Visscher, J. T. (1987). Slow sand filtration for community water supply: Planning, design, construction, operation and maintenance. International Reference Centre for Community Water Supply and Sanitation.

Cita Chicago (17th ed.)

Visscher, J. T. Slow Sand Filtration for Community Water Supply: Planning, Design, Construction, Operation and Maintenance. The Hague, The Netherlands: International Reference Centre for Community Water Supply and Sanitation, 1987.

Cita MLA (9th ed.)

Visscher, J. T. Slow Sand Filtration for Community Water Supply: Planning, Design, Construction, Operation and Maintenance. International Reference Centre for Community Water Supply and Sanitation, 1987.