APA način citiranja

Lock, G. (1999). Functional English Grammar: An introduction for second language teachers. Cambridge: Cambridge University Press.

Čikaški stil citiranja

Lock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. Cambridge: Cambridge University Press, 1999.

MLA način citiranja

Lock, Graham. Functional English Grammar: An Introduction for Second Language Teachers. Cambridge: Cambridge University Press, 1999.