Perkins, D. (2002). Mineralogy.Ed.2 (2nd ed.). Pearson Education.
Chicago Style aipamenaPerkins, Dexter. Mineralogy.Ed.2. 2nd ed. Delhi: Pearson Education, 2002.
MLA aipamenaPerkins, Dexter. Mineralogy.Ed.2. 2nd ed. Pearson Education, 2002.
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