Kallen, S. A. (2018). Global access to clean water. ReferencePoint Press.
Cita Chicago Style (17a ed.)Kallen, Stuart A. Global Access to Clean Water. San Diego, CA: ReferencePoint Press, 2018.
Cita MLA (8a ed.)Kallen, Stuart A. Global Access to Clean Water. ReferencePoint Press, 2018.
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