Urbanski, Verna
Soldier Creek Press, 1992
Buku Teks
Fritz, Deborah A.
American Library Association, 2007
Buku Referensi
Hunter, Eric J.
Library Association, 1989
Buku Referensi
prepared by the Anglo-American Cataloguing Committee for Cartographic Materials ; Elizabeth U. Mangan, editor
American Library Association, 2003
Buku Referensi
Fleischer, Eugene
Neal-Schuman Publishers, Inc. , 1980
Buku Teks