Francis, D. (1987). Unblocking organizational communication. Gower.
Lua i Stíl Chicago (17ú heag.)Francis, Dave. Unblocking Organizational Communication. Aldershot, Hants., Eng: Gower, 1987.
Lua MLA (9ú heag.)Francis, Dave. Unblocking Organizational Communication. Gower, 1987.
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