Richards, J., & Long, M. (1988). Breakthrough: A Course in English Communication Practice. London: Oxford University Press.
Stile di citazione ChicagoRichards, J.C., e M.n Long. Breakthrough: A Course in English Communication Practice. London: Oxford University Press, 1988.
Citazione MLARichards, J.C., e M.n Long. Breakthrough: A Course in English Communication Practice. London: Oxford University Press, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.