APA-čujuhus (7. p.)
ebrary, Inc, & Yang, X. (2005). An inframarginal approach to trade theory. World Scientific.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Xiaokai Yang. An Inframarginal Approach to Trade Theory. Hackensack, NJ: World Scientific, 2005.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Xiaokai Yang. An Inframarginal Approach to Trade Theory. World Scientific, 2005.
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