Ravi Chopra. (1988). Assistant's grade examination guide. Archana Pub..
Chicago Edition CitationRavi Chopra. Assistant's Grade Examination Guide. New Delhi: Archana Pub., 1988.
Cita MLARavi Chopra. Assistant's Grade Examination Guide. Archana Pub., 1988.
Atenció: Aquestes cites poden no estar 100% correctes.