Luona, S. (2004). Assessing speaking. Cambridge University Press.
Cita Chicago (17th ed.)Luona, Sari. Assessing Speaking. Cambridge University Press, 2004.
Cita MLA (9th ed.)Luona, Sari. Assessing Speaking. Cambridge University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.