Lock, G. (1999). Functional English Grammar: An introduction for second language teachers. Cambridge: Cambridge University Press.
Chicago Style CitationLock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. Cambridge: Cambridge University Press, 1999.
MLA CitationLock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. Cambridge: Cambridge University Press, 1999.
Warning: These citations may not always be 100% accurate.