National Center for Research in Vocational Education (U.S.), Morton, R., Sork, T. J., & McCallum, R. J. (1979). Research and investigation in adult education: 1976-1978 register. ERIC Clearinghouse on Adult, Career, and Vocational Education, National Center for Research in Vocational Education, Ohio State University.
Cita Chicago (17th ed.)National Center for Research in Vocational Education (U.S.), Ruth Morton, Thomas J. Sork, i Richard J. McCallum. Research and Investigation in Adult Education: 1976-1978 Register. Columbus, Ohio: ERIC Clearinghouse on Adult, Career, and Vocational Education, National Center for Research in Vocational Education, Ohio State University, 1979.
Cita MLA (8th ed.)National Center for Research in Vocational Education (U.S.), et al. Research and Investigation in Adult Education: 1976-1978 Register. ERIC Clearinghouse on Adult, Career, and Vocational Education, National Center for Research in Vocational Education, Ohio State University, 1979.