Arguillas, C. O. (1998). Blackmail. IN Letter from Mindanao [column]. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Arguillas, Carolyn O. "Blackmail. IN Letter from Mindanao [column]." Philippine Daily Inquirer 1998.
Lua MLA (9ú heag.)Arguillas, Carolyn O. "Blackmail. IN Letter from Mindanao [column]." Philippine Daily Inquirer, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.