O'Dell, S. (1967). The black pearl. AUWSF.
Lua i Stíl Chicago (17ú heag.)O'Dell, Scott. The Black Pearl. Boston: AUWSF, 1967.
Lua MLA (9ú heag.)O'Dell, Scott. The Black Pearl. AUWSF, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.