Reagan, R., & Valera, C. M. J. (1981). Recall Reagan's freak accident in Catanduanes. Bulletin Today.
Lua i Stíl Chicago (17ú heag.)Reagan, Ronald, agus C. M. Jr Valera. "Recall Reagan's Freak Accident in Catanduanes." Bulletin Today 1981.
Lua MLA (9ú heag.)Reagan, Ronald, agus C. M. Jr Valera. "Recall Reagan's Freak Accident in Catanduanes." Bulletin Today, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.