Langlois, P., & Hansen, S. J. (2012). World ESCO outlook. The Fairmont Press, Inc. : Taylor & Francis Ltd..
Dyfyniad Arddull ChicagoLanglois, Pierre, and Shirley J. Hansen. World ESCO Outlook. Lilburn, Georgia ; Boca Raton, Florida ; London, England: The Fairmont Press, Inc. : Taylor & Francis Ltd., 2012.
Dyfyniad MLALanglois, Pierre, and Shirley J. Hansen. World ESCO Outlook. The Fairmont Press, Inc. : Taylor & Francis Ltd., 2012.
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