Schmidtz Katze Filmkollektiv, Holland, A., Knaup, H., Fürmann, B., Grochowska, A., Więckiewicz, R., . . . Marshall, R. (2012). In darkness. Columbia TriStar Home Entertainment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmidtz Katze Filmkollektiv, Agnieszka Holland, Herbert Knaup, Benno Fürmann, Agnieszka Grochowska, Robert Więckiewicz, Maria Schrader, और Robert Marshall. In Darkness. [United States]: Columbia TriStar Home Entertainment, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchmidtz Katze Filmkollektiv, et al. In Darkness. Columbia TriStar Home Entertainment, 2012.
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