India. Coal Board. Publication and Statistics Wing. Coal directory of India. Publication and Statistics Wing, Coal Board.
Chicago Style (17th ed.) CitationIndia. Coal Board. Publication and Statistics Wing. Coal Directory of India. Calcutta: Publication and Statistics Wing, Coal Board.
ציטוט MLAIndia. Coal Board. Publication and Statistics Wing. Coal Directory of India. Publication and Statistics Wing, Coal Board.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.