Cita APA (7th ed.)

Grellet, F. (1996). Writing for advanced learners of english. Cambridge University Press.

Cita Chicago (17th ed.)

Grellet, Francoise. Writing for Advanced Learners of English. Nueva York: Cambridge University Press, 1996.

Cita MLA (9th ed.)

Grellet, Francoise. Writing for Advanced Learners of English. Cambridge University Press, 1996.