Holdsworth, M., Chui, H., & Courtauld, C. (1995). The forbidden city: The great within. Odyssey.
Lua i Stíl Chicago (17ú heag.)Holdsworth, May, Hu Chui, agus Caroline Courtauld. The Forbidden City: The Great Within. Hongkong: Odyssey, 1995.
Lua MLA (9ú heag.)Holdsworth, May, et al. The Forbidden City: The Great Within. Odyssey, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.