David, R. J. (2002). Sweet solution to garbage problem. IN At large [column]. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)David, Rina Jimenez. "Sweet Solution to Garbage Problem. IN At Large [column]." Philippine Daily Inquirer 2002.
Lua MLA (9ú heag.)David, Rina Jimenez. "Sweet Solution to Garbage Problem. IN At Large [column]." Philippine Daily Inquirer, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.