Library of Congress. Congressional Research Service & ProQuest (Firm). (2002). Drug Certification Requirements and Congressional Modifications in 2001-02. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Drug Certification Requirements and Congressional Modifications in 2001-02. [Place of publication not identified]: [publisher not identified], 2002.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Drug Certification Requirements and Congressional Modifications in 2001-02. [publisher not identified], 2002.
Warning: These citations may not always be 100% accurate.