Cita APA (7a ed.)

Cotton, D., Falvey, D., & Kent, S. (2003). Market leader: Course book : pre-intermediate business english. Longman.

Cita Chicago Style (17a ed.)

Cotton, David, David Falvey, y Simon Kent. Market Leader: Course Book : Pre-intermediate Business English. England: Longman, 2003.

Cita MLA (8a ed.)

Cotton, David, et al. Market Leader: Course Book : Pre-intermediate Business English. Longman, 2003.