Blazek, Ron
Libraries Unlimited, 2000
Buku Referensi
Antony, Arthur
John Wiley & Sons, 1979
Buku Teks
Keaveney, Sydney Starr
Gale Research Co., 1974
Buku Teks
edited by Stephen Goddard
Barnes & Noble Books , 1983
Buku Referensi
Carl M. White and associates: William W. Brickman ... [and others]
American Library Assoiation, 1973
Buku Referensi