Kasper, G., & Kellerman, E. (1997). Communication strategies: Psycholinguistic and sociolinguistic perspectives. Longman.
Chicago Style (17. basım) AtıfKasper, Gabriele, ve Eric Kellerman. Communication Strategies: Psycholinguistic and Sociolinguistic Perspectives. London, New York: Longman, 1997.
MLA (9th ed.) AtıfKasper, Gabriele, ve Eric Kellerman. Communication Strategies: Psycholinguistic and Sociolinguistic Perspectives. Longman, 1997.
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