APA استشهاد

Bookhive. IAS unsolved papers: Civil services exam main : unsolved papers. Bookhive.

استشهاد بنمط شيكاغو

Bookhive. IAS Unsolved Papers: Civil Services Exam Main : Unsolved Papers. New Delhi: Bookhive.

MLA استشهاد

Bookhive. IAS Unsolved Papers: Civil Services Exam Main : Unsolved Papers. Bookhive.