(1970). Problems of air and water pollution arising in the iron and steel industry. New York: United Nations.
Chicago Style citaatProblems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.
MLA citatieProblems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.