Cita APA (7a ed.)
Swan, M., & Walter, C. (1995). The new Cambridge English Course l. Practice. Student (11. Printing.). The University Press.
Cita Chicago Style (17a ed.)
Swan, Michael, y Catherine Walter. The New Cambridge English Course L. Practice. Student. 11. Printing. Cambridge: The University Press, 1995.
Cita MLA (9a ed.)
Swan, Michael, y Catherine Walter. The New Cambridge English Course L. Practice. Student. 11. Printing. The University Press, 1995.
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