Cita APA

Gammidge, M. (2013). Speaking extra: A resource book of multi-level skills activities (1. ed., 13 reimpr.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Gammidge, Mick. Speaking Extra: A Resource Book of Multi-level Skills Activities. 1. ed., 13 reimpr. Cambridge: Cambridge University Press, 2013.

Cita MLA

Gammidge, Mick. Speaking Extra: A Resource Book of Multi-level Skills Activities. 1. ed., 13 reimpr. Cambridge: Cambridge University Press, 2013.