APA استشهاد

(2009). U.P.S.C.(IES) engineering services examination solved papers: Civil engineering. G.K. Publishers.

استشهاد بنمط شيكاغو

U.P.S.C.(IES) Engineering Services Examination Solved Papers: Civil Engineering. Noida: G.K. Publishers, 2009.

MLA استشهاد

U.P.S.C.(IES) Engineering Services Examination Solved Papers: Civil Engineering. G.K. Publishers, 2009.