University of Wisconsin. Center for Studies in Vocational and Technical Education, Somers, G. G., & Little, J. K. (1971). Vocational education: Today and tomorrow. Center for Studies in Vocational and Technical Education, University of Wisconsin.
Παραπομπή σε μορφή Chicago (17η εκδ.)University of Wisconsin. Center for Studies in Vocational and Technical Education, Gerald George Somers, και J. Kenneth Little. Vocational Education: Today and Tomorrow. [Madison]: Center for Studies in Vocational and Technical Education, University of Wisconsin, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)University of Wisconsin. Center for Studies in Vocational and Technical Education, et al. Vocational Education: Today and Tomorrow. Center for Studies in Vocational and Technical Education, University of Wisconsin, 1971.