APA Alıntı

Thorpe, E., & Thorpe, S. (2017). General studies for civil services preliminary examination paper I: General knowledge and current affairs. Pearson.

Chicago Stili Alıntı

Thorpe, Edgar, ve Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: General Knowledge and Current Affairs. Noida: Pearson, 2017.

MLA Alıntı

Thorpe, Edgar, ve Showick Thorpe. General Studies for Civil Services Preliminary Examination Paper I: General Knowledge and Current Affairs. Pearson, 2017.