La Motte Chemical Products Company. (1934). Colorimetric determination of pH (hydrogen ion concentration) and for water analysis (10th ed.). LaMotte Chemical Products Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)La Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. Baltimore: LaMotte Chemical Products Company, 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)La Motte Chemical Products Company. Colorimetric Determination of PH (hydrogen Ion Concentration) and for Water Analysis. 10th ed. LaMotte Chemical Products Company, 1934.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.