Gralla, P. (1998). Online family: Your guide to fun and discovery in cyberspace. Wiley.
Lua i Stíl Chicago (17ú heag.)Gralla, Preston. Online Family: Your Guide to Fun and Discovery in Cyberspace. New York: Wiley, 1998.
Lua MLA (8ú heag.)Gralla, Preston. Online Family: Your Guide to Fun and Discovery in Cyberspace. Wiley, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.