Holzmann, G. J. (1988). Beyond photography: The digital darkroom. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Holzmann, Gerard John. Beyond Photography: The Digital Darkroom. Englewood Cliffs, N.J: Prentice-Hall, 1988.
Lua MLA (9ú heag.)Holzmann, Gerard John. Beyond Photography: The Digital Darkroom. Prentice-Hall, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.