APA-čujuhus (7. p.)
Ludlow, R., & Panton, F. (1992). The essence of effective communication. Prentice Hall.
Chicago-čujuhus (17. p.)
Ludlow, Ron, juo Fergus Panton. The Essence of Effective Communication. New York: Prentice Hall, 1992.
MLA-čujuhus (9. p.)
Ludlow, Ron, juo Fergus Panton. The Essence of Effective Communication. Prentice Hall, 1992.
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