Richter, J. (2010). Threshold. Crab Orchard Review : Southern Illinois University Press.
Tohutoru Kātū Chicago (17th ed.)Richter, Jennifer. Threshold. Carbondale: Crab Orchard Review : Southern Illinois University Press, 2010.
Tohutoro MLA (9th ed.)Richter, Jennifer. Threshold. Crab Orchard Review : Southern Illinois University Press, 2010.
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