Sharp, A. M. (2002). Economics of social issues. Boston, MA: McGraw-Hill/Irvin.
Trích dẫn kiểu ChicagoSharp, Ansel M. Economics of Social Issues. Boston, MA: McGraw-Hill/Irvin, 2002.
Deismireacht MLASharp, Ansel M. Economics of Social Issues. Boston, MA: McGraw-Hill/Irvin, 2002.
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