एपीए उद्धरण

(2013). Objective arithmetic for competitive examinations. CL Media.

शिकागो स्टाइल उद्धरण

Objective Arithmetic for Competitive Examinations. Roorkee: CL Media, 2013.

एमएलए उद्धरण

Objective Arithmetic for Competitive Examinations. CL Media, 2013.