Cohen, N. M., Denison, B., & Boehlert, J. C. (1963). Library Science Dissertations: 1925-60 : an annotated bibliography of doctoral studies. Washington: U.S. Government Printing Office.
Παραπομπή Chicago StyleCohen, Nathan M., Barbara Denison, and Jessie C. Boehlert. Library Science Dissertations: 1925-60 : An Annotated Bibliography of Doctoral Studies. Washington: U.S. Government Printing Office, 1963.
Παραπομπή MLACohen, Nathan M., Barbara Denison, and Jessie C. Boehlert. Library Science Dissertations: 1925-60 : An Annotated Bibliography of Doctoral Studies. Washington: U.S. Government Printing Office, 1963.
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