Lancaster, F. Wilfrid, author
John Wiley & Sons, 1979
Buku Teks
Doyle, Lauren B., author
John Wiley & Sons, 1975
Buku Teks
Haynes, David, author
Facet Publishing, 2004
Buku Teks
Muller, Meinard, author
Springer, 2007
Buku Teks
Ellis, David, author
Library Association Publishing, 1996
Buku Teks