McEACHERN, W. A. (1988). Economics A Contemporary Introduction William A. Mcearchern. South-Western.
Chicago-viite (17. p.)McEACHERN, William A. Economics A Contemporary Introduction William A. Mcearchern. South-Western, 1988.
MLA-viite (8. p.)McEACHERN, William A. Economics A Contemporary Introduction William A. Mcearchern. South-Western, 1988.
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