Shree Book Centre. (2019). 501 Incredible Facts (2019.). Shree Book Centre.
Čikaški stil citiranja (17. izdanje)Shree Book Centre. 501 Incredible Facts. 2019. Shree Book Centre, 2019.
MLA način citiranja (9. izdanje)Shree Book Centre. 501 Incredible Facts. 2019. Shree Book Centre, 2019.
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