William, K., & Pascal, F. (1985). Crash Landing! Bantam Books.
Lua i Stíl Chicago (17ú heag.)William, Kate, agus Francine Pascal. Crash Landing! New York: Bantam Books, 1985.
Lua MLA (9ú heag.)William, Kate, agus Francine Pascal. Crash Landing! Bantam Books, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.