Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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