Cita APA

(1991). Cambridge proficiency examination practice 4 (Teacher's book). Cambridge, UK: Cambridge Univ. Press.

Chicago Style Citation

Cambridge Proficiency Examination Practice 4 (Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1991.

Cita MLA

Cambridge Proficiency Examination Practice 4 (Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.