Zerin, E., & Zerin, M. (1986). The "Q" model for the effective management of personal stress. Gardner Press.
Chicago-viite (17. p.)Zerin, Edward, ja Marjory Zerin. The "Q" Model for the Effective Management of Personal Stress. New York: Gardner Press, 1986.
MLA-viite (9. p.)Zerin, Edward, ja Marjory Zerin. The "Q" Model for the Effective Management of Personal Stress. Gardner Press, 1986.
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