APA

United States, . (1988). Internal Revenue Service: effective implementation of the Tax Reform Act led to uneventful 1988 filng season. [Washington, D.C: .

Chicago

United States, . 1988. Internal Revenue Service: effective implementation of the Tax Reform Act led to uneventful 1988 filng season. [Washington, D.C: .

Harvard

United States, . (1988). Internal Revenue Service: effective implementation of the Tax Reform Act led to uneventful 1988 filng season. [Washington, D.C: .

MLA

United States, . Internal Revenue Service: effective implementation of the Tax Reform Act led to uneventful 1988 filng season. [Washington, D.C: . 1988.