APA Citation
Lock, G. (1996). 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, 1996.
MLA CitationLock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. Cambridge: Cambridge University Press, 1996.
Warning: These citations may not always be 100% accurate.