Παραπομπή APA

Chandra, D. (1992). Jharia coal fields. Geological Society of India Council.

Παραπομπή Chicago Style

Chandra, D. Jharia Coal Fields. Bangalore: Geological Society of India Council, 1992.

Παραπομπή MLA

Chandra, D. Jharia Coal Fields. Geological Society of India Council, 1992.