Cita APA (7a ed.)

Nolasco, R. (1987). Writing upper-intermediate. Oxford University Press.

Cita Chicago Style (17a ed.)

Nolasco, Rob. Writing Upper-intermediate. Oxford [etc.]: Oxford University Press, 1987.

Cita MLA (9a ed.)

Nolasco, Rob. Writing Upper-intermediate. Oxford University Press, 1987.