(2008). GSIS seen to invest $2.5B abroad. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)"GSIS Seen to Invest $2.5B Abroad." Philippine Daily Inquirer 2008.
Lua MLA (9ú heag.)"GSIS Seen to Invest $2.5B Abroad." Philippine Daily Inquirer, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.