ROTHWELL WILLIAM J. (2001). HUMAN PERFORMANCE IMPROVEMENT. GULF PUBLISHING CO.
Chicago-čujuhus (17. p.)ROTHWELL WILLIAM J. HUMAN PERFORMANCE IMPROVEMENT. HOUSTON: GULF PUBLISHING CO, 2001.
MLA-čujuhus (9. p.)ROTHWELL WILLIAM J. HUMAN PERFORMANCE IMPROVEMENT. GULF PUBLISHING CO, 2001.
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