Thorpe, E., & Thorpe, S. (2007). Pearson general knowledge manual: 2007. Pearson Education.
Čikaški stil citiranjaThorpe, Edgar, i Showick Thorpe. Pearson General Knowledge Manual: 2007. Delhi: Pearson Education, 2007.
MLA način citiranjaThorpe, Edgar, i Showick Thorpe. Pearson General Knowledge Manual: 2007. Pearson Education, 2007.
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