SPH. (2016). NIGAM WORLD OF KNOWLEDGE - BOOK 5. SHETH PUBLISHING HOUSE.
Čikaški stil citiranja (17. izdanje)SPH. NIGAM WORLD OF KNOWLEDGE - BOOK 5. VIKHROLI: SHETH PUBLISHING HOUSE, 2016.
MLA način citiranja (9. izdanje)SPH. NIGAM WORLD OF KNOWLEDGE - BOOK 5. SHETH PUBLISHING HOUSE, 2016.
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