Bach, G. R. (1970). Pairing. Avon Books.
Lua i Stíl Chicago (17ú heag.)Bach, George R. Pairing. New York: Avon Books, 1970.
Lua MLA (9ú heag.)Bach, George R. Pairing. Avon Books, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.