by Peter Brophy [and others]
Brookfield, Vt. Gower , 1990
Buku Teks
Ranganathan, S.R.
Sarada Ranganathan Endowment for Library Science, 1992
Buku Referensi
Toennies, Klaus D., author
Springer, 2012
eBooks
Westlake, Duncan R.
Ashgate, 1992
Buku Referensi
Smith, Shawn, author
Amacom, 2011
Buku Teks