Collins, J. (1991). Chances (1 ed.). Vergara.
Lua i Stíl Chicago (17ú heag.)Collins, Jackie. Chances. 1 ed. Buenos Aires: Vergara, 1991.
Lua MLA (9ú heag.)Collins, Jackie. Chances. 1 ed. Vergara, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.