Gale Research Company & Woy, J. B. (1986). Encyclopedia of business information sources: A bibliographic guide to approximately 22,000 citations covering more than 1,100 primary subjects of interest to business personnel, includes : abstract services and indexes, almanacs and yearbooks, bibliographies, bibliographical services, directories, encyclopedias and dictionaries, financial ratios, handbooks and manuals...etc (6th ed.). Gale Research Co..
Chicago Style (17th ed.) CitationGale Research Company and James B. Woy. Encyclopedia of Business Information Sources: A Bibliographic Guide to Approximately 22,000 Citations Covering More than 1,100 Primary Subjects of Interest to Business Personnel, Includes : Abstract Services and Indexes, Almanacs and Yearbooks, Bibliographies, Bibliographical Services, Directories, Encyclopedias and Dictionaries, Financial Ratios, Handbooks and Manuals...etc. 6th ed. Detroit, Mich.: Gale Research Co., 1986.
MLA (9th ed.) CitationGale Research Company and James B. Woy. Encyclopedia of Business Information Sources: A Bibliographic Guide to Approximately 22,000 Citations Covering More than 1,100 Primary Subjects of Interest to Business Personnel, Includes : Abstract Services and Indexes, Almanacs and Yearbooks, Bibliographies, Bibliographical Services, Directories, Encyclopedias and Dictionaries, Financial Ratios, Handbooks and Manuals...etc. 6th ed. Gale Research Co., 1986.