एपीए उद्धरण

Ahmad, S., & Ahmad, K. (1990). Business and environment in India. Ashish publication.

शिकागो स्टाइल उद्धरण

Ahmad, Shamim, और Khaliq Ahmad. Business and Environment in India. New Delhi: Ashish publication, 1990.

एमएलए उद्धरण

Ahmad, Shamim, और Khaliq Ahmad. Business and Environment in India. Ashish publication, 1990.