Soars, J., & Soars, L. (2001). American headway: Student book. Oxford: Oxford Univ. Press.
Čikaški stil citiranjaSoars, John, i Liz Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2001.
MLA način citiranjaSoars, John, i Liz Soars. American Headway: Student Book. Oxford: Oxford Univ. Press, 2001.
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