Cita APA (7th ed.)

Gray, J. (2013). Critical perspectives on language teaching materials (1a. ed.). Palgrave Macmillan.

Cita Chicago (17th ed.)

Gray, John. Critical Perspectives on Language Teaching Materials. 1a. ed. Hampshire: Palgrave Macmillan, 2013.

Cita MLA (9th ed.)

Gray, John. Critical Perspectives on Language Teaching Materials. 1a. ed. Palgrave Macmillan, 2013.