United States. Internal Revenue Service. Telephone Systems Management Team. (1988). TOLL-FREE: Taxpayer service toll-free telephone program (Rev. 12-88.). Dept. of the Treasury, Internal Revenue Service.
Chicago Style (17th ed.) CitationUnited States. Internal Revenue Service. Telephone Systems Management Team. TOLL-FREE: Taxpayer Service Toll-free Telephone Program. Rev. 12-88. [Washington, D.C.?]: Dept. of the Treasury, Internal Revenue Service, 1988.
MLA (9th ed.) CitationUnited States. Internal Revenue Service. Telephone Systems Management Team. TOLL-FREE: Taxpayer Service Toll-free Telephone Program. Rev. 12-88. Dept. of the Treasury, Internal Revenue Service, 1988.
Warning: These citations may not always be 100% accurate.