Cita APA (7a ed.)
Cornish, T., & Harncastle, B. (1993). Central News 2. Activity Book. +VIDEOKAZETA 2 (3.impression.). Oxford University Press.
Cita Chicago Style (17a ed.)
Cornish, Tony, y Bill Harncastle. Central News 2. Activity Book. +VIDEOKAZETA 2. 3.impression. Oxford: Oxford University Press, 1993.
Cita MLA (9a ed.)
Cornish, Tony, y Bill Harncastle. Central News 2. Activity Book. +VIDEOKAZETA 2. 3.impression. Oxford University Press, 1993.
Precaución: Estas citas no son 100% exactas.