Laura Ingalls Wilder. (1999). Sugar Snow (Little House Picture Book) (Revised ed.). HarperCollins.
Čikaški stil citiranja (17. izdanje)Laura Ingalls Wilder. Sugar Snow (Little House Picture Book). Revised ed. HarperCollins, 1999.
MLA način citiranja (9. izdanje)Laura Ingalls Wilder. Sugar Snow (Little House Picture Book). Revised ed. HarperCollins, 1999.
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