Gilbert, Wilfred C.
The Legislation reference service a brief sketch
Library of Congress, 1952
 Buku Teks
Government information locator servicesand systems: a challenge to academic library integration projects John A.Shuler
 Artikel Jurnal
Informasi ringkas kesehatan = Health information in brief
Departemen Kesehatan
Departemen Kesehatan Republik Indonesia, 1991
 Buku Teks
Informasi ringkas kesehatan = Health information in brief
Departemen Kesehatan
Departemen Kesehatan, 1993
 Buku Teks
Herner, Saul
A brief guide to sources of scientific and technical information
Information Resources Press, 1980
 Buku Referensi