Grey, J. (2006). Looking hard: At unexamined things / Photographs by Joel Grey. Steidl.
Lua i Stíl Chicago (17ú heag.)Grey, Joel. Looking Hard: At Unexamined Things / Photographs by Joel Grey. Göttingen: Steidl, 2006.
Lua MLA (8ú heag.)Grey, Joel. Looking Hard: At Unexamined Things / Photographs by Joel Grey. Steidl, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.