Ludlum Robert. (2007). Ambler Warning. Reader Digest (Australia ) Ltd.
Lua i Stíl Chicago (17ú heag.)Ludlum Robert. Ambler Warning. Australia: Reader Digest (Australia ) Ltd, 2007.
Lua MLA (9ú heag.)Ludlum Robert. Ambler Warning. Reader Digest (Australia ) Ltd, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.