1. Über die Willenstätigkeit und das Denken [On willing and thinking];Ach,1905
2. Ach, N. (1910b). Über den Willensakt und das Temperament: eine experimentelle Untersuchung [On the volitional act and temperament: An experimental investigation]. Quelle & Meyer.
3. Polybius: The histories (Transl. by W.R. Paton),2012
4. Ach, N. (1910a). On volition [Translated from German by T. Herz, 2006]. Retrieved 7/20/22 from University of Konstanz, Cognitive Psychology Website: 〈http://Www.Uni-Konstanz.de/Kogpsych/Ach.Htm〉.
5. The theory of planned behavior;Ajzen;Organizational Behavior and Human Decision Processes,1991