BERTSCHEK, Irene, OHNEMUS, Jörg und VIETE, Steffen, 2017. The ZEW ICT survey 2002 to 2015 : measuring the digital transformation in German firms. Mannheim: Universitätsbibliothek Mannheim.
Elsevier - Harvard (with titles)Bertschek, I., Ohnemus, J., Viete, S., 2017. The ZEW ICT survey 2002 to 2015 : measuring the digital transformation in German firms, ZEW-Dokumentation. Universitätsbibliothek Mannheim, Mannheim. https://doi.org/urn:nbn:de:bsz:180-madoc-432257
American Psychological Association 7th editionBertschek, I., Ohnemus, J., & Viete, S. (ca. 2017). The ZEW ICT survey 2002 to 2015 : measuring the digital transformation in German firms [Cd]. In ZEW-Dokumentation. Universitätsbibliothek Mannheim. https://doi.org/urn:nbn:de:bsz:180-madoc-432257
Springer - Basic (author-date)Bertschek I, Ohnemus J, Viete S (2017) The ZEW ICT survey 2002 to 2015 : measuring the digital transformation in German firms. Universitätsbibliothek Mannheim, Mannheim
Juristische Zitierweise (Stüber) (Deutsch)Bertschek, Irene/ Ohnemus, Jörg/ Viete, Steffen, The ZEW ICT survey 2002 to 2015 : measuring the digital transformation in German firms, Mannheim 2017.