Spencer, E. (1991). The Night Travellers. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Spencer, Elizabeth. The Night Travellers. New York: Penguin Books, 1991.
Lua MLA (9ú heag.)Spencer, Elizabeth. The Night Travellers. Penguin Books, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.