McCarthy, M., McCarten, J., & Sandiford, H. (2014). Touchstone: Student's book 1 (2ª edición.). Cambridge University Press.
Chicago Style (17. basım) AtıfMcCarthy, Michael, Jeanne McCarten, ve Helen Sandiford. Touchstone: Student's Book 1. 2ª edición. New York: Cambridge University Press, 2014.
MLA (9th ed.) AtıfMcCarthy, Michael, et al. Touchstone: Student's Book 1. 2ª edición. Cambridge University Press, 2014.
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