एपीए उद्धरण

Sharma, H. P. Upkar's national defence academy examination: According to the syllabus. Upkar.

शिकागो स्टाइल उद्धरण

Sharma, H P. Upkar's National Defence Academy Examination: According to the Syllabus. New Delhi: Upkar.

एमएलए उद्धरण

Sharma, H P. Upkar's National Defence Academy Examination: According to the Syllabus. Upkar.