Houkes, W., & Vermaas, P. (2010). Technical Functions: On the Use and Design of Artefacts. Springer Netherlands. https://doi.org/10.1007/978-90-481-3900-2
Chicago-viite (17. p.)Houkes, Wybo, ja P.E Vermaas. Technical Functions: On the Use and Design of Artefacts. Dordrecht: Springer Netherlands, 2010. https://doi.org/10.1007/978-90-481-3900-2.
MLA-viite (9. p.)Houkes, Wybo, ja P.E Vermaas. Technical Functions: On the Use and Design of Artefacts. Springer Netherlands, 2010. https://doi.org/10.1007/978-90-481-3900-2.
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