Oyer Paul. (2014). Everything I Ever Needed to Know About Economics. Harvard Bus. School.
Chicago-čujuhus (17. p.)Oyer Paul. Everything I Ever Needed to Know About Economics. Boston: Harvard Bus. School, 2014.
MLA-čujuhus (9. p.)Oyer Paul. Everything I Ever Needed to Know About Economics. Harvard Bus. School, 2014.
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