Ranganathan, Shiyali Ramamrita
Sarada Ranganathan Endowment for library science , 1993
Buku Teks
editors by Delmus E. Williams; Edward D. Garten
JAI Press , 1996
Buku Teks
edited by Kent Hendrickson
The Haworth Press , 1991
Buku Teks
Thompson, James
Clive Bingley, 1987
Buku Teks
American Library Association, 1995
Majalah, Jurnal, Buletin