(1978). Information trade directory: An internat. directory of information products and services ; Publ. as "Information market place" in North and South America.. Learned Information.
Chicago Style (17th ed.) CitationInformation Trade Directory: An Internat. Directory of Information Products and Services ; Publ. as "Information Market Place" in North and South America.. Oxford, New York: Learned Information, 1978.
MLA (9th ed.) CitationInformation Trade Directory: An Internat. Directory of Information Products and Services ; Publ. as "Information Market Place" in North and South America.. Learned Information, 1978.
Warning: These citations may not always be 100% accurate.