Cita APA (7a ed.)

Jones, L. (2002). New Progress to Proficiency (3rd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Jones, Leo. New Progress to Proficiency. 3rd ed. Cambridge (U.K.): Cambridge University Press, 2002.

Cita MLA (9a ed.)

Jones, Leo. New Progress to Proficiency. 3rd ed. Cambridge University Press, 2002.