Παραπομπή APA

Thorpe, E., & Thorpe, S. (2015). Pearson general studies (paper I) 2015: For the civil services preliminary examination. Dorling Kindersley.

Παραπομπή Chicago Style

Thorpe, Edgar, και Showick Thorpe. Pearson General Studies (paper I) 2015: For the Civil Services Preliminary Examination. New Delhi: Dorling Kindersley, 2015.

Παραπομπή MLA

Thorpe, Edgar, και Showick Thorpe. Pearson General Studies (paper I) 2015: For the Civil Services Preliminary Examination. Dorling Kindersley, 2015.