APA aipamena

Thorpe, E., & Thorpe, S. (2008). Objective general knowledge. Dolrling Kinderseley.

Chicago Style aipamena

Thorpe, Edgar, and Showick Thorpe. Objective General Knowledge. New Delhi: Dolrling Kinderseley, 2008.

MLA aipamena

Thorpe, Edgar, and Showick Thorpe. Objective General Knowledge. Dolrling Kinderseley, 2008.