O'Neil, S. L. (2006). Your attitude is showing (11th ed.). Prentice Hall.
Chicago Style (17. basım) AtıfO'Neil, Sharon Lund. Your Attitude Is Showing. 11th ed. Upper Saddle River, New Jersey: Prentice Hall, 2006.
MLA (9th ed.) AtıfO'Neil, Sharon Lund. Your Attitude Is Showing. 11th ed. Prentice Hall, 2006.
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