APA-viite (7. p.)
Powell, P. R. (2013). Retention and resistance: Writing instruction and students who leave. Utah State University Press.
Chicago-viite (17. p.)
Powell, Pegeen Reichert. Retention and Resistance: Writing Instruction and Students Who Leave. Logan: Utah State University Press, 2013.
MLA-viite (9. p.)
Powell, Pegeen Reichert. Retention and Resistance: Writing Instruction and Students Who Leave. Utah State University Press, 2013.
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