Crouch, B. (2017). Dark matter. Pan Books.
Lua i Stíl Chicago (17ú heag.)Crouch, Blake. Dark Matter. London: Pan Books, 2017.
Lua MLA (9ú heag.)Crouch, Blake. Dark Matter. Pan Books, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.