Cita APA

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

Citación estilo Chicago

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

Cita MLA

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