Cita APA

Kingsbury, R., Oï Dell, F., & Wellman, G. (1992). CAE Advantage. Longman.

Citación estilo Chicago

Kingsbury, Roy, Felicity Oï Dell, and Guy Wellman. CAE Advantage. Essex: Longman, 1992.

Cita MLA

Kingsbury, Roy, et al. CAE Advantage. Longman, 1992.