(2007). Students Entering & Leaving Postsecondary Occupational Education: 1995-2001. U.S. Department of Education.
Chicago-čujuhus (17. p.)Students Entering & Leaving Postsecondary Occupational Education: 1995-2001. U.S. Department of Education, 2007.
MLA-čujuhus (9. p.)Students Entering & Leaving Postsecondary Occupational Education: 1995-2001. U.S. Department of Education, 2007.
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