Spiller, David
Cllive Binley , 1986
Buku Teks
Cook, Mark
Wiley-Blackwell, 2009
Buku Teks
Gatewood, Robert D.
The Dryden Press, 1990
Buku Teks
Ranganathan, S.R.
Ranganathan Endowment for Library Science, 1992
Buku Teks
Holdsworth, Roger F.
Brithis Institute of Management, 1972
Buku Teks