1Abraham, Katharine G., and Susan K. Taylor. Firms" use of outside contractors: Theory and evidence.1990.
2Belous, R.S. (1989), "How Human Resource SystemsAdjust to the Shift Towards Contingent Workers, Monthly Labor Review 112, 3, 7-12.
3David H. Autor, 2000. "Outsourcing at Will: Unjust Dismissal Doctrine and the Growth of Temporary Help Employment," NBER Working Papers 7557, National Bureau of Economic Research. Inc.
4Susan N. Houseman and Anne E. Polivka. The Implications of Flexible Staffing Arrangements for Job Security. BLS (U.S. DEPARTMENT OF LABOR Bureau of Labor Statistics) WORKING PAPERS. http://www.bls.gov/search/.
5Susan N. Houseman. Temporary, Part-Time, and Contract Employment in the United States: A Report on the W.E. Upjohn Institute's Employer Survey on Flexible Staffing Policies. November 1996.revised June 1997. http://scholar. google.cn/.
6Arne L. Kalleberg, Jeremy Reynolds and Marsden, Externalizing arrangements in US December 2003, Pages employment: flexible organizations, Social Science 525-552. Peter V. staffing Research,.
7Richard S. Belous, How human resource systems adjust to the shift toward contingent workers, Monthly Labor Review , March, 1989.
8Richard S. Belous,How human resource systems adjust to the shift toward contingent workers, Monthly Labor Review , March, 1989.
9Alison Davis-Blake, Brian Uzzi,Determinants of employment externalization: a study of temporary workers and independent contractors - includes appendices,Administrative Science Quarterly ,June, 1993.