United States. Food and Drug Administration. Office of Regulatory Affairs. Investigations operations manual. U.S. Food and Drug Administration.
Chicago Style (17th ed.) CitationUnited States. Food and Drug Administration. Office of Regulatory Affairs. Investigations Operations Manual. [Rockville, Md.?]: U.S. Food and Drug Administration.
MLA (9th ed.) CitationUnited States. Food and Drug Administration. Office of Regulatory Affairs. Investigations Operations Manual. U.S. Food and Drug Administration.
Warning: These citations may not always be 100% accurate.