Gauvin, L., Spence, J. C.: Measurement of exerciseinduced changes in feeling states, affect, mood, and emotions. In: Advances in Sport and Exercise Psychology Measurement, edited by Duda J. L., Fitness Information Technology, Morgantown WV, 1998, pp325-336
Spielberger, C. D.: Manual for the State-Trait Anxiety Inventory. Consulting Psychologists Press, Palo Alto (CA), 1983
Spielberger, C. D., Gorsuch, R. L., Lushene, R. E.: Manual for the State-Trait Anxiety Inventory. Consulting Psychologists Press, Palo Alto (CA), 1970