Baer, M. F., & Roeber, E. C. (1964). Occupational information: The dynamics of its nature and use (3d ed.). Science Research Associates.
Chicago-viite (17. p.)Baer, Max F., ja Edward C. Roeber. Occupational Information: The Dynamics of Its Nature and Use. 3d ed. Chicago: Science Research Associates, 1964.
MLA-viite (8. p.)Baer, Max F., ja Edward C. Roeber. Occupational Information: The Dynamics of Its Nature and Use. 3d ed. Science Research Associates, 1964.
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