Ramírez-de León, J. A., & Uresti-Marín, R. M. (2006). Preserving the quality of water is preserving health. Universidad Autónoma de Tamaulipas.
Chicago-viite (17. p.)Ramírez-de León, José Alberto, ja Rocío Margarita Uresti-Marín. Preserving the Quality of Water Is Preserving Health. Universidad Autónoma de Tamaulipas, 2006.
MLA-viite (8. p.)Ramírez-de León, José Alberto, ja Rocío Margarita Uresti-Marín. Preserving the Quality of Water Is Preserving Health. Universidad Autónoma de Tamaulipas, 2006.
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