Cita APA

Clementson, T., Gray, L., & Smith, H. (2011). English unlimited: Intermediate Teacher's Pack. B1 Plus (1a. ed.). Cambridge University Press.

Citación estilo Chicago

Clementson, Theresa, Leanne Gray, and Howard Smith. English Unlimited: Intermediate Teacher's Pack. B1 Plus. 1a. ed. Cambridge University Press, 2011.

Cita MLA

Clementson, Theresa, et al. English Unlimited: Intermediate Teacher's Pack. B1 Plus. 1a. ed. Cambridge University Press, 2011.