UPSC. (2012). Study Guide NDA NA: National Defence Academy & Naval Academy Examinations. C L Media (p) Ltd.
Chicago-stil citatUPSC. Study Guide NDA NA: National Defence Academy & Naval Academy Examinations. C L Media (p) Ltd, 2012.
MLA-referensUPSC. Study Guide NDA NA: National Defence Academy & Naval Academy Examinations. C L Media (p) Ltd, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.