ADAIR JOHN. (1983). EFFECTIVE LEADERSHIP A SELF DEVELOPMENT MANNUAL. GOWER.
Lua i Stíl Chicago (17ú heag.)ADAIR JOHN. EFFECTIVE LEADERSHIP A SELF DEVELOPMENT MANNUAL. LONDON: GOWER, 1983.
Lua MLA (9ú heag.)ADAIR JOHN. EFFECTIVE LEADERSHIP A SELF DEVELOPMENT MANNUAL. GOWER, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.