Barrett, T. M. (1996). Criticizing photographs: An introduction to understanding images (2nd ed.). Mayfield Pub. Co..
Lua i Stíl Chicago (17ú heag.)Barrett, Terry Michael. Criticizing Photographs: An Introduction to Understanding Images. 2nd ed. Mountain View, Calif.: Mayfield Pub. Co., 1996.
Lua MLA (9ú heag.)Barrett, Terry Michael. Criticizing Photographs: An Introduction to Understanding Images. 2nd ed. Mayfield Pub. Co., 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.