Colford, J. M., Hilton, J. F., Wright, C. C., Arnold, B. F., Saha, S., Wade, T. J., . . . Eisenberg, J. N. (2009). The Sonoma Water Evaluation Trial: A Randomized Drinking Water Intervention Trial to Reduce Gastrointestinal Illness in Older Adults. American Public Health Association.
Citação norma ChicagoColford, John M., Joan F. Hilton, Catherine C. Wright, Benjamin F. Arnold, Sona Saha, Timothy J. Wade, James Scott, and Joseph N.S Eisenberg. The Sonoma Water Evaluation Trial: A Randomized Drinking Water Intervention Trial to Reduce Gastrointestinal Illness in Older Adults. American Public Health Association, 2009.
MLA citiranjeColford, John M., et al. The Sonoma Water Evaluation Trial: A Randomized Drinking Water Intervention Trial to Reduce Gastrointestinal Illness in Older Adults. American Public Health Association, 2009.