Cortes, C. (1998). Longtitude: A novel. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Cortes, Carlos. "Longtitude: A Novel." Philippine Star 1998.
Lua MLA (9ú heag.)Cortes, Carlos. "Longtitude: A Novel." Philippine Star, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.