Παραπομπή APA

Sinha, R. K. (1980). Mineral economics (3rd ed.). Oxford & IBH.

Παραπομπή Chicago Style

Sinha, R K. Mineral Economics. 3rd ed. New Delhi: Oxford & IBH, 1980.

Παραπομπή MLA

Sinha, R K. Mineral Economics. 3rd ed. Oxford & IBH, 1980.