KELLEY ROBERT E. (1985). GOLD COLLER WORKER HARNESSING THE BRAIN POWER OF NEW WORK FORCE. ADDISON-WESLEY.
Lua i Stíl Chicago (17ú heag.)KELLEY ROBERT E. GOLD COLLER WORKER HARNESSING THE BRAIN POWER OF NEW WORK FORCE. NEW YORK: ADDISON-WESLEY, 1985.
Lua MLA (9ú heag.)KELLEY ROBERT E. GOLD COLLER WORKER HARNESSING THE BRAIN POWER OF NEW WORK FORCE. ADDISON-WESLEY, 1985.
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