Asociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, & Bridgewater, L. L. (2017). Standard methods for the examination of water and wastewater (23. edition.). Washington, D.C.: American Public Health Association.
Citación estilo ChicagoAsociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, y Laura L. Bridgewater. Standard Methods for the Examination of Water and Wastewater. 23. edition. Washington, D.C.: American Public Health Association, 2017.
Cita MLAAsociación Estadounidense de Salud Pública, American Water Works Association, Water Environment Federation, y Laura L. Bridgewater. Standard Methods for the Examination of Water and Wastewater. 23. edition. Washington, D.C.: American Public Health Association, 2017.