Sayre, D. (1996). Inside ISO 14000: The compertitive advantage of environmental management. USA: St. Lucie press.
Chicago Stili AlıntıSayre, Don. Inside ISO 14000: The Compertitive Advantage of Environmental Management. USA: St. Lucie press, 1996.
MLA AlıntıSayre, Don. Inside ISO 14000: The Compertitive Advantage of Environmental Management. USA: St. Lucie press, 1996.
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