Kuehn, K. G. (1997). Caught: The art of photography in the German Democratic Republic / Karl Gernot Kuehn. University of California Press.
Chicago-referens (17:e uppl.)Kuehn, Karl Gernot. Caught: The Art of Photography in the German Democratic Republic / Karl Gernot Kuehn. Berkeley, Calif. [u.a.]: University of California Press, 1997.
MLA-referens (8:e uppl.)Kuehn, Karl Gernot. Caught: The Art of Photography in the German Democratic Republic / Karl Gernot Kuehn. University of California Press, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.