The College blue book : occupational education
edited by Max M. Russell
Macmillan, 1973
Buku Referensi
The College blue book : degrees offered by colleges and subjects
Macmillan Information, 1972
Buku Referensi
The College blue book : U.S. colleges: tabular data
Macmillan Information, 1972
Buku Referensi
Casteleyn, Mary
Job descriptions for the information profession
Aslib, 1996
Buku Teks
Individual differences in components of route descriptions
Artikel Jurnal