American Society for Testing and Materials. (2016). Standard test methods for fluoride ion in water. ASTM.
Cita Chicago Style (17a ed.)American Society for Testing and Materials. Standard Test Methods for Fluoride Ion in Water. Philadelphia: ASTM, 2016.
Cita MLA (9a ed.)American Society for Testing and Materials. Standard Test Methods for Fluoride Ion in Water. ASTM, 2016.
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