Moore, G. A. (1991). Crossing the chasm: Marketing and selling technology products to mainstream customers. HarperBusiness.
Lua i Stíl Chicago (17ú heag.)Moore, Geoffrey A. Crossing the Chasm: Marketing and Selling Technology Products to Mainstream Customers. [New York, N.Y.]: HarperBusiness, 1991.
Lua MLA (8ú heag.)Moore, Geoffrey A. Crossing the Chasm: Marketing and Selling Technology Products to Mainstream Customers. HarperBusiness, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.