(1970). Problems of air and water pollution arising in the iron and steel industry. New York: United Nations.
Čikaški stil citiranjaProblems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.
MLA način citiranjaProblems of Air and Water Pollution Arising in the Iron and Steel Industry. New York: United Nations, 1970.
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