Fisher, R. (1998). Lateral Leadership. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Fisher, Roger. Lateral Leadership. Harper Collins, 1998.
Lua MLA (9ú heag.)Fisher, Roger. Lateral Leadership. Harper Collins, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.