BALASUBRAMANIAN, P. (2013). TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 3. CAMBRIDGE UNIVERSITY PRESS.
Chicagoスタイル(17版)引用形式BALASUBRAMANIAN, PREMA. TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 3. NEW DELHI: CAMBRIDGE UNIVERSITY PRESS, 2013.
MLA(9版)引用形式BALASUBRAMANIAN, PREMA. TRIPS IN TIME A TEXTBOOK FOR ICSE HISTORY AND CIVICS - BOOK 3. CAMBRIDGE UNIVERSITY PRESS, 2013.
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