HAMEL GARY. (2002). COMPETING FOR THE FUTURE. TATA MCGRAW-HILL PUBLISHING COMPANY.
Lua i Stíl Chicago (17ú heag.)HAMEL GARY. COMPETING FOR THE FUTURE. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2002.
Lua MLA (9ú heag.)HAMEL GARY. COMPETING FOR THE FUTURE. TATA MCGRAW-HILL PUBLISHING COMPANY, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.