APA-čujuhus (7. p.)
Ullrich, K., & Kachele, K. (2014). The Iowa state fair. University Of Iowa Press.
Chicago-čujuhus (17. p.)
Ullrich, Kurt, juo Kristina Kachele. The Iowa State Fair. Iowa City, Iowa: University Of Iowa Press, 2014.
MLA-čujuhus (9. p.)
Ullrich, Kurt, juo Kristina Kachele. The Iowa State Fair. University Of Iowa Press, 2014.
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