Vermaas, P. E., & Houkes, W. (2006). Technical functions: A drawbridge between the intentional and structural natures of technical artefacts.
Chicago Style (17th ed.) CitationVermaas, Pieter E., and Wybo Houkes. Technical Functions: A Drawbridge Between the Intentional and Structural Natures of Technical Artefacts. 2006.
MLA (9th ed.) CitationVermaas, Pieter E., and Wybo Houkes. Technical Functions: A Drawbridge Between the Intentional and Structural Natures of Technical Artefacts. 2006.
Warning: These citations may not always be 100% accurate.