927 
    
    George Vaillant, Triumphs of Experience: The Men of the Harvard Grant Study (Cambridge, MA: Belknap, 2012), 48.
                928 
    
    Цит. по Glenn I. Roisman et al., «Earned — Secure Attachment Status in Retrospect and Prospect», Child Development 73, no. 4 (2002): 1204–1219.
                929 
    
    George Vaillant, Triumphs of Experience: The Men of the Harvard Grant Study (Cambridge, MA: Belknap, 2012), 141–142.
                930 
    
    George Vaillant, Triumphs of Experience: The Men of the Harvard Grant Study (Cambridge, MA: Belknap, 2012), 52.
                931 
    
    George Vaillant, Triumphs of Experience: The Men of the Harvard Grant Study (Cambridge, MA: Belknap, 2012), 140.
                932 
    
    George Vaillant, Triumphs of Experience: The Men of the Harvard Grant Study (Cambridge, MA: Belknap, 2012), 141–142.
                933 
    
    Mark W. Baldwin and Beverley Fehr, «On the Instability of Attachment Style Ratings», Personal Relationships 2, no. 3 (1995): 247–261; Joanne Davila, Dorli Burge, and Constance Hammen, «Why Does Attachment Style Change?», Journal of Personality and Social Psychology 73, no. 4 (1997): 826–838; Joanne Davila and Rebecca J. Cobb, «Predictors of Change in Attachment Security During Adulthood», in Adult Attachment: Theory, Research, and Clinical Implications, eds. W. Steven Rholes and Jeffry A. Simpson (New York: Guilford, 2004), 133–156; Louis Cozolino, The Neuroscience of Human Relationships: Attachment and the Developing Social Brain, 2nd ed. (New York: Norton, 2014), 155.