JAYAKUMAR, N. (2016). EXPLORING GENERAL KNOWLEDGE - BOOK 3. CAMBRIDGE UNIVERSITY PRESS.
Čikaški stil citiranja (17. izdanje)JAYAKUMAR, NAVIN. EXPLORING GENERAL KNOWLEDGE - BOOK 3. DELHI: CAMBRIDGE UNIVERSITY PRESS, 2016.
MLA način citiranja (9. izdanje)JAYAKUMAR, NAVIN. EXPLORING GENERAL KNOWLEDGE - BOOK 3. CAMBRIDGE UNIVERSITY PRESS, 2016.
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