BLANCHARD KEN. (1988). POWER OF ETHICAL MANAGEMENT. WILLIAM MORROW.
Lua i Stíl Chicago (17ú heag.)BLANCHARD KEN. POWER OF ETHICAL MANAGEMENT. NEW YORK: WILLIAM MORROW, 1988.
Lua MLA (9ú heag.)BLANCHARD KEN. POWER OF ETHICAL MANAGEMENT. WILLIAM MORROW, 1988.
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