Παραπομπή APA

Thorpe,Edgar, & Thorpe,Showic. (2003). The pearson general knowledge manual 2004. Pearson.

Παραπομπή Chicago Style

Thorpe,Edgar, και Thorpe,Showic. The Pearson General Knowledge Manual 2004. Singapore: Pearson, 2003.

Παραπομπή MLA

Thorpe,Edgar, και Thorpe,Showic. The Pearson General Knowledge Manual 2004. Pearson, 2003.