La Motte Chemical Products Company. (1934). Colorimetric determination of pH (hydrogen ion concentration) and for water analysis (10th ed.). LaMotte Chemical Products Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLa Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. Baltimore: LaMotte Chemical Products Company, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLa Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. LaMotte Chemical Products Company, 1934.
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