Bessler, H. (1982). European photo galleries guide: Ed. by Harald Bessler. Europ. Photogr..
Lua i Stíl Chicago (17ú heag.)Bessler, Harald. European Photo Galleries Guide: Ed. by Harald Bessler. Göttingen: Europ. Photogr., 1982.
Lua MLA (8ú heag.)Bessler, Harald. European Photo Galleries Guide: Ed. by Harald Bessler. Europ. Photogr., 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.