Cambridge University Press. (1996). Self-study student's book: Cambridge University Press (Self-study ed.).
Cita Chicago (17th ed.)Cambridge University Press. Self-study Student's Book: Cambridge University Press. Self-study ed. Cambridge University Press, 1996.
Cita MLA (9th ed.)Cambridge University Press. Self-study Student's Book: Cambridge University Press. Self-study ed. 1996.
Atenció: Aquestes cites poden no estar 100% correctes.