Symons, J. M. (1997). Plain talk about drinking water: Question and answers about the water you drink (3rd ed.). American Water Works Association.
Cita Chicago Style (17a ed.)Symons, James M. Plain Talk About Drinking Water: Question and Answers About the Water You Drink. 3rd ed. Denver: American Water Works Association, 1997.
Cita MLA (9a ed.)Symons, James M. Plain Talk About Drinking Water: Question and Answers About the Water You Drink. 3rd ed. American Water Works Association, 1997.
Precaución: Estas citas no son 100% exactas.