TINY TOT PUBLICATIONS. (2005). AMAZING FACT- FINDER ENERGY AND FORCE. TINY TOT PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)TINY TOT PUBLICATIONS. AMAZING FACT- FINDER ENERGY AND FORCE. NEW DELHI: TINY TOT PUBLICATIONS, 2005.
MLA način citiranja (9. izdanje)TINY TOT PUBLICATIONS. AMAZING FACT- FINDER ENERGY AND FORCE. TINY TOT PUBLICATIONS, 2005.
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