References
- Bluestone , B. and Harrison , B. The Great American Job Machine , December
- Lawrence , R. Z. 1985 . Sectoral Shifts and the Size of the Middle Class . Brookings Review , Fall
- McMahon , P. J. and Tschetter , J. H. 1986 . The Declining Middle Class: a Further Analysis . Monthly Labor Review , September
- Urquhart , M. 1984 . The Employment Shift to Services: Where Did it Come From?' Monthly Labor Review , April