Παραπομπή APA

Biswas, A. K., & Sulekha, B. (1994). Minerals and metals in Ancient India. D.K. Printworld.

Παραπομπή Chicago Style

Biswas, Arun Kumar, και Biswas Sulekha. Minerals and Metals in Ancient India. New Delhi: D.K. Printworld, 1994.

Παραπομπή MLA

Biswas, Arun Kumar, και Biswas Sulekha. Minerals and Metals in Ancient India. D.K. Printworld, 1994.