Congressional Information Service & LexisNexis Academic & Library Solutions. (1981). Statistical reference index ... annual. Congressional Information Service.
Chicago Style (17th ed.) CitationCongressional Information Service and LexisNexis Academic & Library Solutions. Statistical Reference Index ... Annual. Washington, D.C.: Congressional Information Service, 1981.
MLA (9th ed.) CitationCongressional Information Service and LexisNexis Academic & Library Solutions. Statistical Reference Index ... Annual. Congressional Information Service, 1981.
Warning: These citations may not always be 100% accurate.