Παραπομπή APA

Thorpe, E., & Thorpe, S. (2003). General knowledge manual 2003 (1st.). Pearson Education.

Παραπομπή Chicago Style

Thorpe, Edger, και Showick Thorpe. General Knowledge Manual 2003. 1st. New Delhi: Pearson Education, 2003.

Παραπομπή MLA

Thorpe, Edger, και Showick Thorpe. General Knowledge Manual 2003. 1st. Pearson Education, 2003.