Ohmae, K. (1990). The Borderless World. Harper Business.
Lua i Stíl Chicago (17ú heag.)Ohmae, Kenichi. The Borderless World. Harper Business, 1990.
Lua MLA (8ú heag.)Ohmae, Kenichi. The Borderless World. Harper Business, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.