Karen Ball. (1899). "Pompeii (Young Reading Level 3) [Paperback] [Dec 31, 1899] NILL". Usborne Export.
Čikaški stil citiranja (17. izdanje)Karen Ball. "Pompeii (Young Reading Level 3) [Paperback] [Dec 31, 1899] NILL". Usborne Export, 1899.
MLA način citiranja (9. izdanje)Karen Ball. "Pompeii (Young Reading Level 3) [Paperback] [Dec 31, 1899] NILL". Usborne Export, 1899.
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