BASU, S. (2016). KNOW FOR SURE - GENERAL KNOWLEDGE BOOK 6. BRITANNIA LEARNING.
Lua i Stíl Chicago (17ú heag.)BASU, SIDDHARTHA. KNOW FOR SURE - GENERAL KNOWLEDGE BOOK 6. NEW DELHI: BRITANNIA LEARNING, 2016.
Lua MLA (9ú heag.)BASU, SIDDHARTHA. KNOW FOR SURE - GENERAL KNOWLEDGE BOOK 6. BRITANNIA LEARNING, 2016.
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