Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Thorpe, Edgar, i Showick Thorpe. The Pearson General Knowledge Manual 2010. Chandigarh: Pearson, 2010.

Cita MLA (9th ed.)

Thorpe, Edgar, i Showick Thorpe. The Pearson General Knowledge Manual 2010. Pearson, 2010.