Lua APA (7ú heag.)

India. Coal Board. Publication and Statistics Wing. Coal directory of India. Publication and Statistics Wing, Coal Board.

Lua i Stíl Chicago (17ú heag.)

India. Coal Board. Publication and Statistics Wing. Coal Directory of India. Calcutta: Publication and Statistics Wing, Coal Board.

Lua MLA (8ú heag.)

India. Coal Board. Publication and Statistics Wing. Coal Directory of India. Publication and Statistics Wing, Coal Board.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.