Why people do the things they do : building on Julius Kuhl's contributions to the psychology of motivation and volition. Koole, Sander L., 1971-, Baumann, Nicola, 1966-,, Kazén, Miguel, 1952-,, Quirin, Markus R., 1974-. Toronto. 2017. ISBN978-0-88937-540-6. OCLC983482145.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)