Geis, T., Dzida, W., & Redtenbacher, W. (2004). Specifying usability requirements and test criteria for interactive systems: Consequences for new releases of software-related standards within the ISO 9241 series. Wirtschaftsverl. NW.
Chicago Style (17th ed.) CitationGeis, Thomas, Wolfgang Dzida, and Wolfgang Redtenbacher. Specifying Usability Requirements and Test Criteria for Interactive Systems: Consequences for New Releases of Software-related Standards Within the ISO 9241 Series. Wilhelmshaven: Wirtschaftsverl. NW, 2004.
MLA (9th ed.) CitationGeis, Thomas, et al. Specifying Usability Requirements and Test Criteria for Interactive Systems: Consequences for New Releases of Software-related Standards Within the ISO 9241 Series. Wirtschaftsverl. NW, 2004.
Warning: These citations may not always be 100% accurate.