"Stanley Parker , The Sociology of Leisure ( New York : International Publications
Service , 1976 ) , 67 . 6. Robert K. Johnston , The Christian at Play ( Grand
Rapids , Mich .: Wm . B. Eerdmans Publishing Co. , 1983 ) ... Secretary of Health ,
Education , and Welfare ) ( Cambridge , Mass .: MIT Press , 1973 ) , 15 . 16. Ibid .
17."