Cita APA (7a ed.)

Cox, M. (2007). IGCSE: First language English (2nd. ed.). Cambridge University.

Cita Chicago Style (17a ed.)

Cox, Marian. IGCSE: First Language English. 2nd. ed. Cambridge: Cambridge University, 2007.

Cita MLA (8a ed.)

Cox, Marian. IGCSE: First Language English. 2nd. ed. Cambridge University, 2007.