Chowdhury, G.G.
Library Association, 2001
Buku Teks SO
Hartley, R.J.
Bowker-Saur, 1990
Buku Teks SO
Ridley, Damon D.
John Wiley & Sons, 1996
Buku Teks SO
written by the Staff of the Science and Technology Information Service
British Library , 1991
Buku Teks SO
edited by Linda Dorrington
Taylor Graham , 1987
Buku Teks SO