Holme, R. (1996). ESP ideas. Pearson Education.
Lua i Stíl Chicago (17ú heag.)Holme, Randal. ESP Ideas. Pearson Education, 1996.
Lua MLA (8ú heag.)Holme, Randal. ESP Ideas. Pearson Education, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.