Brownell, J. (1986). Building active listening skill. Prentice Hall Pentice -Hall.
Cita Chicago Style (17a ed.)Brownell, Judi. Building Active Listening Skill. New Jersey: Prentice Hall Pentice -Hall, 1986.
Cita MLA (9a ed.)Brownell, Judi. Building Active Listening Skill. Prentice Hall Pentice -Hall, 1986.
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