Rockart, John Fralick
McGraw-Hill, 1975
Buku Teks
edited by Heather Fry, Steve Ketteridge and Stephanie Marshall
Routledge, 2009
Buku Referensi
Library Association , 2000
Buku Teks
Routledge, 1997
Buku Teks
McAvinia, Claire
Chandos Publishing, an imprint of Elsevie, 2016
Buku Teks