Zerin, E., & Zerin, M. (1986). The "Q" model for the effective management of personal stress. Gardner Press.
Lua i Stíl Chicago (17ú heag.)Zerin, Edward, agus Marjory Zerin. The "Q" Model for the Effective Management of Personal Stress. New York: Gardner Press, 1986.
Lua MLA (9ú heag.)Zerin, Edward, agus Marjory Zerin. The "Q" Model for the Effective Management of Personal Stress. Gardner Press, 1986.
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