ASTM Internacional. (1998). Standard test Methods for Calcium and Magnesium in water. ASTM.
Chicago Style (17th ed.) CitationASTM Internacional. Standard Test Methods for Calcium and Magnesium in Water. United States: ASTM, 1998.
MLA (9th ed.) CitationASTM Internacional. Standard Test Methods for Calcium and Magnesium in Water. ASTM, 1998.
Warning: These citations may not always be 100% accurate.