1. The development of self-regulation through private speech;Zivin,1979
2. Thought and language;Vygotsky,1962
3. Possible links between self-awareness and inner speech theoretical background, underlying mechanisms, and empirical evidence;Morin;Journal of Consciousness Studies,2005
4. Inner speech encyclopedia of human behavior;Morin,2012
5. The phenomena of inner experience;Heavey;Consciousness and Cognition,2008