Gibbons, B. (1991). The Himalayas. CBS.
Lua i Stíl Chicago (17ú heag.)Gibbons, Bob. The Himalayas. New delhi: CBS, 1991.
Lua MLA (9ú heag.)Gibbons, Bob. The Himalayas. CBS, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.