Παραπομπή APA

Singh, M. (2011). NDA / NA: National defence academy and naval academy entrance exam (rev. & enlarged ed.). Bright publications.

Παραπομπή Chicago Style

Singh, Mehar. NDA / NA: National Defence Academy and Naval Academy Entrance Exam. rev. & enlarged ed. New Delhi: Bright publications, 2011.

Παραπομπή MLA

Singh, Mehar. NDA / NA: National Defence Academy and Naval Academy Entrance Exam. rev. & enlarged ed. Bright publications, 2011.