Feistritzer, C. E.
(1990). Alternative teacher certification: A state-by-state analysis 1990. Washington, DC: National Center for Education Information.
2.
Hecker, D. E.
(1992, July). Reconciling data on jobs for college graduates. Monthly Labor Review, pp. 3-12.
3.
National Center for Education Statistics.
(1992, June). Public elementary and secondary schools and agencies in the United States and outlying areas: School year 1990-91. Washington, DC: U.S. Department of Education, Author.
4.
Shelley, K. J.
(1992, July). The future of jobs for college graduates. Monthly Labor Review, pp. 13-21.