Library of Congress. Congressional Research Service & ProQuest (Firm). (2007). Work Incentives Improvement Act of 1999 (S. 331) for Disabled Beneficiaries: Summary and Analysis. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Work Incentives Improvement Act of 1999 (S. 331) for Disabled Beneficiaries: Summary and Analysis. [Place of publication not identified]: [publisher not identified], 2007.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Work Incentives Improvement Act of 1999 (S. 331) for Disabled Beneficiaries: Summary and Analysis. [publisher not identified], 2007.
Warning: These citations may not always be 100% accurate.