Plath, C., & Ruf, B. (2003). Wilhelm Sasnal: Night, day, night. Hatje Cantz.
Lua i Stíl Chicago (17ú heag.)Plath, Carina, agus Beatrix Ruf. Wilhelm Sasnal: Night, Day, Night. Ostfildern-Ruit: Hatje Cantz, 2003.
Lua MLA (8ú heag.)Plath, Carina, agus Beatrix Ruf. Wilhelm Sasnal: Night, Day, Night. Hatje Cantz, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.