Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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