Barrie, Donald S., author
McGraw-Hill, 1978
Buku Teks
Kastantin, Joseph T., author
Quorum Books, 1988
Buku Teks
Joseph, William, author
McGraw-Hill, 1983
Buku Teks
T. Kanti Srikantaiah, Michael E.D. Koenig, editor
Information Today, 2000
Buku Teks
edited by Muriel Albers Bittel, Lester Robert Bittel and Jackson Eugene Ramsey
Grolier International, 1995
Buku Referensi