Schwarz, K. A.; Pfister, R. (2016). "Scientific psychology in the 18th century: a historical rediscovery". Perspectives on Psychological Science. 11 (3): 399–407. DOI:10.1177/1745691616635601. PMID27217252
Angyal, Andras; Maslow, Abraham; Murray, Henry A.; Bugental, J. F. T.; Murphy, Gardner; Rogers, Carl (1981). Wolman, Benjamin B. (ed.). "Humanistic Psychology". Contemporary Theories and Systems in Psychology. Boston, MA: Springer US: 507–515. DOI:10.1007/978-1-4684-3800-0_14. ISBN:9781468438000
nih.gov
pubmed.ncbi.nlm.nih.gov
Schwarz, K. A.; Pfister, R. (2016). "Scientific psychology in the 18th century: a historical rediscovery". Perspectives on Psychological Science. 11 (3): 399–407. DOI:10.1177/1745691616635601. PMID27217252