Cita APA

Harris, M., & Mower, D. /. M. (1993). World class pre-intermediate; teacher's book. Harlow.

Citación estilo Chicago

Harris, Michael, and David / Maccann Mower. World Class Pre-intermediate; Teacher's Book. Inglaterra: Harlow, 1993.

Cita MLA

Harris, Michael, and David / Maccann Mower. World Class Pre-intermediate; Teacher's Book. Inglaterra: Harlow, 1993.