The United States Department of Labor. (2008). Occupational Outlook Handbook 2008-09 Edition (Occupational Outlook Handbook ). U.S.A: MC Graw Hill.
Chicago Stili AlıntıThe United States Department of Labor. Occupational Outlook Handbook 2008-09 Edition (Occupational Outlook Handbook ). U.S.A: MC Graw Hill, 2008.
MLA AlıntıThe United States Department of Labor. Occupational Outlook Handbook 2008-09 Edition (Occupational Outlook Handbook ). U.S.A: MC Graw Hill, 2008.
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