Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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