Cita APA (7th ed.)

Kenny, N., & Sunderland, P. (2001). CAE practice tests plus 2, with key (1a. ed.). Pearson Education.

Cita Chicago (17th ed.)

Kenny, Nick, i Peter Sunderland. CAE Practice Tests Plus 2, with Key. 1a. ed. Essex: Pearson Education, 2001.

Cita MLA (9th ed.)

Kenny, Nick, i Peter Sunderland. CAE Practice Tests Plus 2, with Key. 1a. ed. Pearson Education, 2001.