La Motte Chemical Products Company. (1934). Colorimetric determination of pH (hydrogen ion concentration) and for water analysis (10th ed.). LaMotte Chemical Products Company.
Citace podle Chicago (17th ed.)La Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. Baltimore: LaMotte Chemical Products Company, 1934.
Citace podle MLA (8th ed.)La 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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