Red. Newspaper Enterprise Association, I. (1978). The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc.
Chicago-viite (17. p.)Red. Newspaper Enterprise Association, Inc. The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc, 1978.
MLA-viite (8. p.)Red. Newspaper Enterprise Association, Inc. The World Almanac and Book of Facts 1979. Newspaper Enterprise Association, Inc, 1978.
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