1. Ekman, P., Friesen, W.: Facial Action Coding System: A Technique for the Measurement of Facial Movement. Investigator’s Guide 2 Parts. Consulting Psychologists Press, Sunnyvale (1978)
2. Frijda, N.H.: The Emotions. Cambridge University Press, Cambridge (1986)
3. Scherer, K.R.: Vocal correlates of emotional arousal and affective disturbance. In: Wagner, H., Manstead, A. (eds.) Handbook of Social Psychophysiology, pp. 165–197. Wiley, New York (1989)
4. Parkinson, B., Fischer, A., Manstead, A.: Emotion in Social Relations: Cultural, Group, and İnterpersonal Processes. Psychology Press, New York (2005)
5. Kitayama, S., Markus, H.: Emotion and culture: Empirical studies of mutual influence. American Psychological Association, Washington, D.C. (1994). http://dx.doi.org/10.1037/10152-000