Special Travel Industry Council on Energy Conservation. (1976). The importance of tourism to the U. S. economy: 1975 a report. United States Travel Data Center.
Chicago Style (17th ed.) CitationSpecial Travel Industry Council on Energy Conservation. The Importance of Tourism to the U. S. Economy: 1975 a Report. Washington, D. C: United States Travel Data Center, 1976.
MLA (9th ed.) CitationSpecial Travel Industry Council on Energy Conservation. The Importance of Tourism to the U. S. Economy: 1975 a Report. United States Travel Data Center, 1976.
Warning: These citations may not always be 100% accurate.