McEachern, W. A. (1994). Economics: A contemporary introduction (3rd ed.). South-Western.
Chicago-viite (17. p.)McEachern, William A. Economics: A Contemporary Introduction. 3rd ed. Ohio: South-Western, 1994.
MLA-viite (9. p.)McEachern, William A. Economics: A Contemporary Introduction. 3rd ed. South-Western, 1994.
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