Winnecott, Donald W. "The Capacity to be Alone." In The Maturational Processes and the Facilitating Environment: Studies in the Theory of Emotional Development. Madison: International Universities Press, 1965; Robertiello Richard, Gagnier Terril T (1993). «Sado-masochism as a Defense Against Merging: Six Case Studies». Journal of Contemporary Psychotherapy. 23 (3): 183–192. doi:10.1007/BF00945978.
Winnecott, Donald W. "The Capacity to be Alone." In The Maturational Processes and the Facilitating Environment: Studies in the Theory of Emotional Development. Madison: International Universities Press, 1965; Robertiello Richard, Gagnier Terril T (1993). «Sado-masochism as a Defense Against Merging: Six Case Studies». Journal of Contemporary Psychotherapy. 23 (3): 183–192. doi:10.1007/BF00945978.
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Staff, Writer. «Bereavement And Grief». HomeLifeCountry. Արխիվացված է օրիգինալից 2019 թ․ հունիսի 9-ին. Վերցված է 2012 թ․ նոյեմբերի 15-ին.
