Cita APA

Leo Jones. (1997). New progress to first certificate student's book. Cambridge Univ. Press.

Chicago Style Citation

Leo Jones. New Progress to First Certificate Student's Book. Cambridge Univ. Press, 1997.

Cita MLA

Leo Jones. New Progress to First Certificate Student's Book. Cambridge Univ. Press, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.