Romero, D. B. (2004). The business of listening: A practical guide to effective listening (3rd ed.). Crisp Learning, Viva Books.
Citace podle Chicago (17th ed.)Romero, Diana Bonet. The Business of Listening: A Practical Guide to Effective Listening. 3rd ed. Menlo Park, Calif. : New Delhi: Crisp Learning, Viva Books, 2004.
Citace podle MLA (8th ed.)Romero, Diana Bonet. The Business of Listening: A Practical Guide to Effective Listening. 3rd ed. Crisp Learning, Viva Books, 2004.
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