APA
(1970). "IRC: 39-1970, STANDARDS FOR ROAD - RAIL LEVEL CROSSINGS". : INDIAN ROADS CONGRESS.
Chicago
1970. "IRC: 39-1970, STANDARDS FOR ROAD - RAIL LEVEL CROSSINGS". : INDIAN ROADS CONGRESS.
Harvard
(1970). "IRC: 39-1970, STANDARDS FOR ROAD - RAIL LEVEL CROSSINGS". : INDIAN ROADS CONGRESS.
MLA
"IRC: 39-1970, STANDARDS FOR ROAD - RAIL LEVEL CROSSINGS". : INDIAN ROADS CONGRESS. 1970.