Naber, T., Blackwell, A., & johnstone, M. (2003). English knowhow: Student book Opener. New York: Oxford University Press.
Čikaški stil citiranjaNaber, Therese, Angela Blackwell, i Michelle johnstone. English Knowhow: Student Book Opener. New York: Oxford University Press, 2003.
MLA način citiranjaNaber, Therese, Angela Blackwell, i Michelle johnstone. English Knowhow: Student Book Opener. New York: Oxford University Press, 2003.
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