Cita APA

Leo Jones. (2002). New progress to proficiency (teacher's book). Cambridge, UK: Cambridge Univ. Press.

Chicago Style Citation

Leo Jones. New Progress to Proficiency (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2002.

Cita MLA

Leo Jones. New Progress to Proficiency (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.