WOOD JAMES B. (1999). NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. PERSEUS PUBLICATIONS.
Chicago-viite (17. p.)WOOD JAMES B. NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. MASSACHUSETTS: PERSEUS PUBLICATIONS, 1999.
MLA-viite (9. p.)WOOD JAMES B. NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. PERSEUS PUBLICATIONS, 1999.
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