Robinson, C. (1991). Themes for Proficiency (1st published, 8th impression.). University Press.
Cita Chicago Style (17a ed.)Robinson, Carole. Themes for Proficiency. 1st published, 8th impression. Oxford: University Press, 1991.
Cita MLA (9a ed.)Robinson, Carole. Themes for Proficiency. 1st published, 8th impression. University Press, 1991.
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