APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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