McLeod, S. A. (2007). Carl Rogers. Retrieved from http://www.simplypsychology.org/carl-rogers.html
Deshler, J. David and E. Kiely. (1995). Facilitating Adult Learning Sourcebook. Department of Education, Cornell University. Cornell Instructional Media Service, pub. 420 Kennedy Hall, Cornell University, Ithaca, NY.
eCarvalho, R. (1991). The humanistic paradigm in education. The Humanistic Psychologist, 19(1), 88-104.
Huitt, W. (2001). Humanism and open education. Educational Psychology Interactive. Valdosta, GA: Valdosta State University. Retrieved September 11, 2007, from the URL: http://chiron.valdosta.edu/whuitt/col/affsys/humed.html.
Rogers, C., & Freiberg, H. J. (1994). Freedom to learn (3rd Ed.). New York: Macmillan.
Ashworth, Frank et al. : Learning Theories and Higher Education. Level3, Issue 2, June 2004.
Humanistic Psychology. Retrieved March 25, 2011.
Learning and teaching: Humanistic approaches to learning. Retrieved March 11, 2011.
Greenberg, G. A New Look at Learning. In Sudbury Valley School. The Sudbury Valley School Experience. The Sudbury Valley School, 1992.
Ashworth, Frank, Gabriel Brennan, Kathy Egan, Ron Hamilton, and Olalla Sáenz. Learning Theories and Higher Education. Vol. 2, 2004. Johnson, A. (2010). Humanisic learning theory. Retrieved from http://www.youtube.com/watch?v=tmIQ-Lno8tA