BRAIN MAPPING ACADEMY. (2012). BMA'S TALENT & OLYMPIAD EXAMS RESOURCES BOOK CLASS- VII. BRAIN MAPPING ACADEMY.
Chicago-viite (17. p.)BRAIN MAPPING ACADEMY. BMA'S TALENT & OLYMPIAD EXAMS RESOURCES BOOK CLASS- VII. BRAIN MAPPING ACADEMY, 2012.
MLA-viite (9. p.)BRAIN MAPPING ACADEMY. BMA'S TALENT & OLYMPIAD EXAMS RESOURCES BOOK CLASS- VII. BRAIN MAPPING ACADEMY, 2012.
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