Cortina, J., Elder, J., & Gonnet, K. (1995). Opening doors: Understanding college reading. McGraw-Hill.
Chicago Style (17. basım) AtıfCortina, Joe, Janet Elder, ve Katherine Gonnet. Opening Doors: Understanding College Reading. New York: McGraw-Hill, 1995.
MLA (8th ed.) AtıfCortina, Joe, et al. Opening Doors: Understanding College Reading. McGraw-Hill, 1995.
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