Cita APA (7a ed.)

Knight, G., O'Neill, M., & Hayden, B. (2004). Business goals 1: Student's book audio CD. Cambridge University Press.

Cita Chicago Style (17a ed.)

Knight, Gareth, Mark O'Neill, y Bernie Hayden. Business Goals 1: Student's Book Audio CD. Cambridge, United Kingdom: Cambridge University Press, 2004.

Cita MLA (9a ed.)

Knight, Gareth, et al. Business Goals 1: Student's Book Audio CD. Cambridge University Press, 2004.