The Library of Conggress
The Library of Congress , 1949
Buku Teks SO
Hunter, Eric J.
Library Association, 1991
Buku Teks SO
Kochar, R.S.
Rajat Publications, 1998
Buku Teks SO
Yuan Oktafian
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2004
UI - Skripsi Membership
Hagler, Ronald
American Library Association, 1997
Buku Teks SO