APA-referens (7:e uppl.)
G.K.Publishers. (2009). U.P.S.C (IES) engineering services examination (solved papers): Electrical engineering. G. K. Pub.
Chicago-referens (17:e uppl.)
G.K.Publishers. U.P.S.C (IES) Engineering Services Examination (solved Papers): Electrical Engineering. Noida: G. K. Pub, 2009.
MLA-referens (9:e uppl.)
G.K.Publishers. U.P.S.C (IES) Engineering Services Examination (solved Papers): Electrical Engineering. G. K. Pub, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.