Andrews, Mary (April 2016). “The existential crisis”. Behavioral Development Bulletin21 (1): 104–109. doi:10.1037/bdb0000014.
Butenaitė, Joana; Sondaitė, Jolanta; Mockus, Antanas (2016). “Components of existential crises: a theoretical analysis”. International Journal of Psychology: A Biopsychosocial Approach18: 9–27. doi:10.7220/2345-024X.18.1.