If you want to study the United States
Buku Teks
Lancaster, F. Wilfrid
If you want to evaluate your library
The Library Association, 1988
Buku Teks
Lancaster, F. Wilfrid
If you want to evaluate your library
Uninersity of Illinois, 1993
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Arden, Paul
It's not how good you are, it's how good you want to be
Phaidon, 2003
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Goldsmith, Raymond W.
A study of saving in the united states / Raymond W. Goldsmith
Prenceton University Press, 1955
Buku Teks