Powell, P. R. (2013). Retention and resistance: Writing instruction and students who leave. Utah State University Press.
Chicago-Zitierstil (17. Ausg.)Powell, Pegeen Reichert. Retention and Resistance: Writing Instruction and Students Who Leave. Logan: Utah State University Press, 2013.
MLA-Zitierstil (9. Ausg.)Powell, Pegeen Reichert. Retention and Resistance: Writing Instruction and Students Who Leave. Utah State University Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.