Gammidge, M. (2004). Speaking extra: A resource book of multi-level skills activities. Cambridge: Cambridge University Press.
استشهاد بنمط شيكاغوGammidge, Mick. Speaking Extra: A Resource Book of Multi-level Skills Activities. Cambridge: Cambridge University Press, 2004.
MLA استشهادGammidge, Mick. Speaking Extra: A Resource Book of Multi-level Skills Activities. Cambridge: Cambridge University Press, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.