APA
Thorpe Edgar and Thorpe S., . (2005). Concise General Knowledge Manual (2005). : Pearson.
Chicago
Thorpe Edgar and Thorpe Showick, . 2005. Concise General Knowledge Manual (2005). : Pearson.
Harvard
Thorpe Edgar and Thorpe S., . (2005). Concise General Knowledge Manual (2005). : Pearson.
MLA
Thorpe Edgar and Thorpe Showick, . Concise General Knowledge Manual (2005). : Pearson. 2005.