APA-čujuhus (7. p.)
Roshwald, M., & Seed, D. (2004). Level 7. University of Wisconsin Press.
Chicago-čujuhus (17. p.)
Roshwald, Mordecai, juo David Seed. Level 7. Madison: University of Wisconsin Press, 2004.
MLA-čujuhus (9. p.)
Roshwald, Mordecai, juo David Seed. Level 7. University of Wisconsin Press, 2004.
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