Citazione Stile APA (7a Edizione)

Valencia, L. B. (2003). By 2005, one in four Filipinos is a mobile phone user - CLS. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Valencia, Lynda B. "By 2005, One in Four Filipinos Is a Mobile Phone User - CLS." Manila Bulletin 2003.

Citatione MLA (9a ed.)

Valencia, Lynda B. "By 2005, One in Four Filipinos Is a Mobile Phone User - CLS." Manila Bulletin, 2003.