Grant-Bear, C., & King-Smith, D. (2008). The sheep-pig: Level 2. Harlow: Pearson Education.
Čikaški stil citiranjaGrant-Bear, Chris., i Dick King-Smith. The Sheep-pig: Level 2. Harlow: Pearson Education, 2008.
MLA način citiranjaGrant-Bear, Chris., i Dick King-Smith. The Sheep-pig: Level 2. Harlow: Pearson Education, 2008.
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