Hanks, P., & Corbett, J. (1986). Business listening tasks. Cambridge University Press.
Cita Chicago (17th ed.)Hanks, Patrick, i Jim Corbett. Business Listening Tasks. Cambridge: Cambridge University Press, 1986.
Cita MLA (8th ed.)Hanks, Patrick, i Jim Corbett. Business Listening Tasks. Cambridge University Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.