Hoffmann, F. W. (2007). Library collection development policies: School libraries and learning resource centers. Lanham, Md: Scarecrow Press.
Παραπομπή Chicago StyleHoffmann, Frank W. Library Collection Development Policies: School Libraries and Learning Resource Centers. Lanham, Md: Scarecrow Press, 2007.
Παραπομπή MLAHoffmann, Frank W. Library Collection Development Policies: School Libraries and Learning Resource Centers. Lanham, Md: Scarecrow Press, 2007.
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