Tham khảo Tính_khí

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  2. Friedman, Schustack, Howard S., Miriam W. (2016). Personality: Classic Theories and Modern Research. USA: Pearson Education. ISBN 9780133829808
  3. Kagan, Jerome. “Temperament”. Encyclopedia of Early Childhood Development. Encyclopedia of Early Childhood Development. Truy cập ngày 17 tháng 3 năm 2018. 
  4. 1 2 Trofimova, IN (2016). “The interlocking between functional aspects of activities and a neurochemical model of adult temperament”. Trong Arnold, M.C. Temperaments: Individual Differences, Social and Environmental Influences and Impact on Quality of Life. New York: Nova Science Publishers. tr. 77–147. 
  5. Depue, R. & Fu, Y. (2012) Neurobiology and neurochemistry of temperament in adults. In: Zentner, M. & Shiner, R. (Eds.) Handbook of Temperament. NY: Guilford Publications, 368-399. (2012).
  6. Trofimova, IN; Robbins, TW (2016). “Temperament and arousal systems: a new synthesis of differential psychology and functional neurochemistry”. Neuroscience and Biobehavioral Reviews 64: 382–402. PMID 26969100. doi:10.1016/j.neubiorev.2016.03.008
  7. Trofimova, IN (2018). “Functionality vs dimensionality in psychological taxonomies, and a puzzle of emotional valence”. Philosophical Transactions of the Royal Society B: Biological Sciences 373 (1744): 20170167. PMC 5832691. PMID 29483351. doi:10.1098/rstb.2017.0167