Fellers, G. (1996). Creativity for leaders. Pelican Pub. Co.; UBSPD.
Lua i Stíl Chicago (17ú heag.)Fellers, Gary. Creativity for Leaders. Gretna, La. ; New Delhi: Pelican Pub. Co.; UBSPD, 1996.
Lua MLA (8ú heag.)Fellers, Gary. Creativity for Leaders. Pelican Pub. Co.; UBSPD, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.