De Guzman, G. (2011). Ronald's choice [R. Singson]. Philippines Free Press.
Lua i Stíl Chicago (17ú heag.)De Guzman, Guiller. "Ronald's Choice [R. Singson]." Philippines Free Press 2011.
Lua MLA (9ú heag.)De Guzman, Guiller. "Ronald's Choice [R. Singson]." Philippines Free Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.