Santos, E. M. (2001). Playing it safe. Health Today.
Lua i Stíl Chicago (17ú heag.)Santos, Eric Michael. "Playing It Safe." Health Today 2001.
Lua MLA (9ú heag.)Santos, Eric Michael. "Playing It Safe." Health Today, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.