Umland, J. B., & Bellama, J. M. (1999). General chemistry (3rd ed.). Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co.
Čikaški stil citiranjaUmland, Jean B., i Jon M. Bellama. General Chemistry. 3rd ed. Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co, 1999.
MLA način citiranjaUmland, Jean B., i Jon M. Bellama. General Chemistry. 3rd ed. Pacific Grove, CA [etc.]: Brooks/Cole Publ. Co, 1999.
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