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.
Chicago-viite (17. p.)University of Wisconsin. Center for Studies in Vocational and Technical Education, Gerald George Somers, ja J. Kenneth Little. Vocational Education: Today and Tomorrow. [Madison]: Center for Studies in Vocational and Technical Education, University of Wisconsin, 1971.
MLA-viite (8. p.)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.