Waters, M., & Waters, A. (1995). Study tasks in inglish: Teacher's book. Cambridge University.
Čikaški stil citiranja (17. izdanje)Waters, Mary, i Alan Waters. Study Tasks in Inglish: Teacher's Book. Cambridge: Cambridge University, 1995.
MLA način citiranja (9. izdanje)Waters, Mary, i Alan Waters. Study Tasks in Inglish: Teacher's Book. Cambridge University, 1995.
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