Turner, Bryan S., author
Sage, 1983
Buku Teks
Library Association Publishing, 1994
Buku Referensi
Library Association, 1982
Buku Referensi
Kirby, James, author
Oxford University Press, 2016
eBooks
Demerath, N. J. (Nicholas Jay), 1936-, author
Random House, 1969
Buku Teks