Cita APA

Jones, L. (1993). Progress to Proficiency: Student's Book (New edition.). Cambridge: Cambridge University Press.

Chicago Style Citation

Jones, Leo. Progress to Proficiency: Student's Book. New edition. Cambridge: Cambridge University Press, 1993.

Cita MLA

Jones, Leo. Progress to Proficiency: Student's Book. New edition. Cambridge: Cambridge University Press, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.