Diaz, R. V. (2002). Understanding earthquakes. Manila Times.
Lua i Stíl Chicago (17ú heag.)Diaz, Romy V. "Understanding Earthquakes." Manila Times 2002.
Lua MLA (9ú heag.)Diaz, Romy V. "Understanding Earthquakes." Manila Times, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.