Red. Newspaper Enterprise Association, I. (1978). The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc.
Chicago-referens (17:e uppl.)Red. Newspaper Enterprise Association, Inc. The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc, 1978.
MLA-referens (8:e uppl.)Red. Newspaper Enterprise Association, Inc. The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.