Adams, W. R. (1980). PREP: For better reading. Holt, Rinehart and Winston.
Chicago Style (17. basım) AtıfAdams, W. Royce. PREP: For Better Reading. New York: Holt, Rinehart and Winston, 1980.
MLA (8th ed.) AtıfAdams, W. Royce. PREP: For Better Reading. Holt, Rinehart and Winston, 1980.
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