Richards, J. C. (2006). Person to person: Communicative speaking and listening skills (3rd ed.). Oxford.
Citace podle Chicago (17th ed.)Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. New York: Oxford, 2006.
Citace podle MLA (8th ed.)Richards, Jack C. Person to Person: Communicative Speaking and Listening Skills. 3rd ed. Oxford, 2006.
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