Cita APA (7th ed.)

Stanton, A., & Morris, S. (1999). CAE practice tests plus, with key (1a. ed.). Pearson Education.

Cita Chicago (17th ed.)

Stanton, Alan, i Susan Morris. CAE Practice Tests Plus, with Key. 1a. ed. Essex: Pearson Education, 1999.

Cita MLA (9th ed.)

Stanton, Alan, i Susan Morris. CAE Practice Tests Plus, with Key. 1a. ed. Pearson Education, 1999.