Cook, Michael, author
Gower , 1999
Buku Teks
Edited by Graham Matthews; John Feather
Ashgate, 2003
Buku Teks
edited by Blaise Cronin
ASLIB, 1985
Buku Teks
G.E. Gorman; Sydney J. Shep
Facet Publishing, 2006
Buku Teks
edited by G.E. Gorman, Sydney J. Shep
Facet, 2007
Buku Teks