Hahn , R. B., & Welcher , F. J. (1968). Inorganic qualitative analysis: A short course for introductpry chemistry. Van nostrand reinhold company.
استشهاد بنمط شيكاغوHahn , Richard B., و Frank J. Welcher. Inorganic Qualitative Analysis: A Short Course for Introductpry Chemistry. New York: Van nostrand reinhold company, 1968.
MLA استشهادHahn , Richard B., و Frank J. Welcher. Inorganic Qualitative Analysis: A Short Course for Introductpry Chemistry. Van nostrand reinhold company, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.