India. Central Pollution Control Board. (1992). Comprehensive industry document on lime kilns. Central Pollution Control Board.
Chicago-referens (17:e uppl.)India. Central Pollution Control Board. Comprehensive Industry Document on Lime Kilns. Delhi: Central Pollution Control Board, 1992.
MLA-referens (8:e uppl.)India. Central Pollution Control Board. Comprehensive Industry Document on Lime Kilns. Central Pollution Control Board, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.