Thorpe, E., & Thorpe, S. (1999). Wheeler's Concise General Knowledge Digest. Wheeler Publishing.
Chicago Style aipamenaThorpe, Edgar, and Showick Thorpe. Wheeler's Concise General Knowledge Digest. New Delhi: Wheeler Publishing, 1999.
MLA aipamenaThorpe, Edgar, and Showick Thorpe. Wheeler's Concise General Knowledge Digest. Wheeler Publishing, 1999.
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