Erickson, B., & Romano, F. J. (1999). Professional digital photography. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Erickson, Bill, agus Frank J. Romano. Professional Digital Photography. Upper Saddle River, N.J: Prentice Hall, 1999.
Lua MLA (9ú heag.)Erickson, Bill, agus Frank J. Romano. Professional Digital Photography. Prentice Hall, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.