Thorpe, E., & Thorpe, S. (2000). Wheeler's general knowledge manual. Wheeler Publishing.
Čikaški stil citiranjaThorpe, Edgar, i Showick Thorpe. Wheeler's General Knowledge Manual. New Delhi: Wheeler Publishing, 2000.
MLA način citiranjaThorpe, Edgar, i Showick Thorpe. Wheeler's General Knowledge Manual. Wheeler Publishing, 2000.
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