Wiethoff, M. (1997). Task analysis is heart work: The investigation of heart rate variability : a tool for task analysis in cognitive work. Delft University Press.
Chicago-referens (17:e uppl.)Wiethoff, Marion. Task Analysis Is Heart Work: The Investigation of Heart Rate Variability : A Tool for Task Analysis in Cognitive Work. [Delft, The Netherlands: Delft University Press, 1997.
MLA-referens (8:e uppl.)Wiethoff, Marion. Task Analysis Is Heart Work: The Investigation of Heart Rate Variability : A Tool for Task Analysis in Cognitive Work. Delft University Press, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.