Combs, P. (2018). Worst enemy best teacher. jaico publisihing house.
Čikaški stil citiranja (17. izdanje)Combs, Peidre. Worst Enemy Best Teacher. Mumbai: jaico publisihing house, 2018.
MLA način citiranja (9. izdanje)Combs, Peidre. Worst Enemy Best Teacher. jaico publisihing house, 2018.
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