University of Chicago. Graduate Library School & Asheim, L. E. (1961). Persistent issues in American librarianship: Bernard R. Berelson ... [et al.]. University of Chicago.
Chicago-Zitierstil (17. Ausg.)University of Chicago. Graduate Library School und Lester Eugene Asheim. Persistent Issues in American Librarianship: Bernard R. Berelson ... [et Al.]. [Chicago]: University of Chicago, 1961.
MLA-Zitierstil (9. Ausg.)University of Chicago. Graduate Library School und Lester Eugene Asheim. Persistent Issues in American Librarianship: Bernard R. Berelson ... [et Al.]. University of Chicago, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.