Cameron, R., Samuelson, T., & Kent, C. (1992). Above Chicago: A new collection of historical and original aerial photographs of Chicago. Cameron.
Lua i Stíl Chicago (17ú heag.)Cameron, Robert, Tim Samuelson, agus Cheryl Kent. Above Chicago: A New Collection of Historical and Original Aerial Photographs of Chicago. San Francisco: Cameron, 1992.
Lua MLA (9ú heag.)Cameron, Robert, et al. Above Chicago: A New Collection of Historical and Original Aerial Photographs of Chicago. Cameron, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.