Belloc, H., & Derrick, T. (1931). Nine nines: Or, Novenas from a Chinese litany of odd numbers. B. Blackwell.
Lua i Stíl Chicago (17ú heag.)Belloc, Hilaire, agus Thomas Derrick. Nine Nines: Or, Novenas from a Chinese Litany of Odd Numbers. Oxford: B. Blackwell, 1931.
Lua MLA (8ú heag.)Belloc, Hilaire, agus Thomas Derrick. Nine Nines: Or, Novenas from a Chinese Litany of Odd Numbers. B. Blackwell, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.