Wasserman, P. (1976). Encyclopedia of business information sources: A detailed listing of primary subjects of interest to managerial personnel, with a record of sourcebooks, periodicals, organizations, directories, handbooks, bibliographies, and other sources of information on each topic (3d ed.). Gale Research Co..
Chicago Style (17th ed.) CitationWasserman, Paul. Encyclopedia of Business Information Sources: A Detailed Listing of Primary Subjects of Interest to Managerial Personnel, with a Record of Sourcebooks, Periodicals, Organizations, Directories, Handbooks, Bibliographies, and Other Sources of Information on Each Topic. 3d ed. Detroit: Gale Research Co., 1976.
MLA (8th ed.) CitationWasserman, Paul. Encyclopedia of Business Information Sources: A Detailed Listing of Primary Subjects of Interest to Managerial Personnel, with a Record of Sourcebooks, Periodicals, Organizations, Directories, Handbooks, Bibliographies, and Other Sources of Information on Each Topic. 3d ed. Gale Research Co., 1976.