APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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