Halliday, F. (1974). Arabia Without Sultans. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Halliday, Fred. Arabia Without Sultans. Harmondsworth: Penguin Books, 1974.
Lua MLA (8ú heag.)Halliday, Fred. Arabia Without Sultans. Penguin Books, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.