Bailyn, C. D. (2014). What does a black hole look like? Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Bailyn, Charles D. What Does a Black Hole Look like? Princeton, New Jersey ; Oxfordshire, England: Princeton University Press, 2014.
Lua MLA (9ú heag.)Bailyn, Charles D. What Does a Black Hole Look like? Princeton University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.