Sharp, A. Terror in the fourth dimension (4a ed.).
Lua i Stíl Chicago (17ú heag.)Sharp, Allen. Terror in the Fourth Dimension. 4a ed.
Lua MLA (8ú heag.)Sharp, Allen. Terror in the Fourth Dimension. 4a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.