David E Goldberg. (1999). Schaum's outlines of theory and problems of beginning chemistry. New York: McGraw-Hill.
استشهاد بنمط شيكاغوDavid E Goldberg. Schaum's Outlines of Theory and Problems of Beginning Chemistry. New York: McGraw-Hill, 1999.
MLA استشهادDavid E Goldberg. Schaum's Outlines of Theory and Problems of Beginning Chemistry. New York: McGraw-Hill, 1999.
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