Iliffe, J. K., author
Prentice-Hall, 1982
Buku Teks
Pratt, Terrence W., author
Prentice-Hall, 1975
Buku Teks
editor, Pau Fonseca i Casas
Information Science Reference, 2014
Buku Teks
Lee, John A.N., author
Van Nostrand Reinhold , 1972
Buku Teks
Heckel, Paul, author
Sybex, 1991
Buku Teks