APA-čujuhus (7. p.)
Hybels, S., & Weaver, R. L. I. (1995). Communicating effectively (4th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)
Hybels, Saundra, juo Richard L II Weaver. Communicating Effectively. 4th ed. NEw York: McGraw-Hill, 1995.
MLA-čujuhus (9. p.)
Hybels, Saundra, juo Richard L II Weaver. Communicating Effectively. 4th ed. McGraw-Hill, 1995.
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