Castillo, S., & Andrada, V. (2011). Happy volunteering with U! Happy Events. Sunday Times Magazine.
Lua i Stíl Chicago (17ú heag.)Castillo, Shylynne, agus Viva Andrada. "Happy Volunteering with U! Happy Events." Sunday Times Magazine 2011.
Lua MLA (9ú heag.)Castillo, Shylynne, agus Viva Andrada. "Happy Volunteering with U! Happy Events." Sunday Times Magazine, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.