Dyfyniad APA

La Motte Chemical Products Company. (1934). Colorimetric determination of pH (hydrogen ion concentration) and for water analysis (10th ed.). LaMotte Chemical Products Company.

Dyfyniad Arddull Chicago

La Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. Baltimore: LaMotte Chemical Products Company, 1934.

Dyfyniad MLA

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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