Gorman, Michael, author
American Library Association, 1989
Buku Referensi
Bowers, Fredson, author
St. Paul's Bibliographies, 1986
Buku Teks
Mortimer, Mary, author
TotalRecall Publications, 2007
Buku Teks
Piggott, Mary, author
The Library Association, 1990
Buku Teks
Lazarinis, Fotis, author
Chandos, 2015
eBooks