WOOD JAMES B. (1999). NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. PERSEUS PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)WOOD JAMES B. NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. MASSACHUSETTS: PERSEUS PUBLICATIONS, 1999.
Lua MLA (9ú heag.)WOOD JAMES B. NEXT LEVEL: ESSENTIAL STRATEGIES FOR ACHIEVING-----GROWTH. PERSEUS PUBLICATIONS, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.