एपीए उद्धरण

Upkar's civil services syllabus: Preliminary and main examination. Pratiyogita Darpan.

शिकागो स्टाइल उद्धरण

Upkar's Civil Services Syllabus: Preliminary and Main Examination. Agra: Pratiyogita Darpan.

एमएलए उद्धरण

Upkar's Civil Services Syllabus: Preliminary and Main Examination. Pratiyogita Darpan.