Cita APA

Thorpe,, E., & Thorpe,, S. (2010). General knowledge manual 2010. Pearson.

Citación estilo Chicago

Thorpe,, Edgar, y Showick Thorpe. General Knowledge Manual 2010. Delhi: Pearson, 2010.

Cita MLA

Thorpe,, Edgar, y Showick Thorpe. General Knowledge Manual 2010. Pearson, 2010.