Jones, L., & Leo Jones. (1996). New Progress to First Certificate: Teacher's book. Cambridge, UK,New York, USA: Cambridge University Press.
Čikaški stil citiranjaJones, Leo, i Leo Jones. New Progress to First Certificate: Teacher's Book. Cambridge, UK,New York, USA: Cambridge University Press, 1996.
MLA način citiranjaJones, Leo, i Leo Jones. New Progress to First Certificate: Teacher's Book. Cambridge, UK,New York, USA: Cambridge University Press, 1996.
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