Valencia, L. B. (2001). Wireless technology goes to Davao. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Valencia, Lynda B. "Wireless Technology Goes to Davao." Manila Bulletin 2001.
Lua MLA (9ú heag.)Valencia, Lynda B. "Wireless Technology Goes to Davao." Manila Bulletin, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.