SIEMENS. (1991). THE COIL. WILEY EASTERN.
Lua i Stíl Chicago (17ú heag.)SIEMENS. THE COIL. WILEY EASTERN, 1991.
Lua MLA (9ú heag.)SIEMENS. THE COIL. WILEY EASTERN, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)