edited by Julian Bamford, Richard R. Day ; : pbk. -- Cambridge University Press, 2004. -- (Cambridge handbooks for language teachers / general editor, Michael Swan). -- 巻号等:: pbk<図書>
Richard R. Day, Julian Bamford ; : hardback, : pbk. -- Cambridge University Press, 1998. -- (Cambridge language education / series editor, Jack C. Richards). -- 巻号等:hardback<図書>