Penrose, A. M., & Sitko, B. M. (1993). Hearing ourselves think: Cognitive research in the college writing clasroom. Oxford University.
Chicago Style (17. basım) AtıfPenrose, Ann M., ve Barbara M. Sitko. Hearing Ourselves Think: Cognitive Research in the College Writing Clasroom. Nueva York: Oxford University, 1993.
MLA (9th ed.) AtıfPenrose, Ann M., ve Barbara M. Sitko. Hearing Ourselves Think: Cognitive Research in the College Writing Clasroom. Oxford University, 1993.
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