Sorensen, L. T., Skouby, K. E., & Jefferies, N. (2015). User requirements for wireless. River Publishers.
Lua i Stíl Chicago (17ú heag.)Sorensen, Lene Tolstrup, Knud Erik Skouby, agus Nigel Jefferies. User Requirements for Wireless. Aalborg, Denmark: River Publishers, 2015.
Lua MLA (9ú heag.)Sorensen, Lene Tolstrup, et al. User Requirements for Wireless. River Publishers, 2015.
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