Barnachea, L. A. D., Valera, J. B., & Tamesis, A. R. (1989). Survey of job dimensions and professional requirements of special librarians in Metropolitan Manila.
Chicago-referens (17:e uppl.)Barnachea, Lutgarda Amor D., Jaime B. Valera, och Angelina R. Tamesis. Survey of Job Dimensions and Professional Requirements of Special Librarians in Metropolitan Manila. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1989.
MLA-referens (9:e uppl.)Barnachea, Lutgarda Amor D., et al. Survey of Job Dimensions and Professional Requirements of Special Librarians in Metropolitan Manila. 1989.
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