Crawford, S. (1995). Your first modem (2nd ed.). Sybex.
Lua i Stíl Chicago (17ú heag.)Crawford, Sharon. Your First Modem. 2nd ed. San Francisco: Sybex, 1995.
Lua MLA (9ú heag.)Crawford, Sharon. Your First Modem. 2nd ed. Sybex, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.