Doff, A., Chiristopher Jones, & Keith Mitchell. (1983). Meanings into words: Intermediate : an integrated course for students of english : Student's book. New York: Cambridge University Press.
Παραπομπή Chicago StyleDoff, Adrian, Chiristopher Jones, και Keith Mitchell. Meanings Into Words: Intermediate : An Integrated Course for Students of English : Student's Book. New York: Cambridge University Press, 1983.
Παραπομπή MLADoff, Adrian, Chiristopher Jones, και Keith Mitchell. Meanings Into Words: Intermediate : An Integrated Course for Students of English : Student's Book. New York: Cambridge University Press, 1983.
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