Encyclopedia of business information sources :  a detailed listing of primary subjects of interest to managerial personnel, with a record of sourcebooks, periodicals, organizations, directories ... / 
Paul Wasserman ... [et al.] 
 - Detroit, Mich. :  Gale Research Co.,  1970 
 - v. ;  28 cm. 
<br/><br/> vol.1 General subjects - v.2 Geographic sources 
<br/><br/><label>ISBN: </label>0810303701 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Business--Bibliography--Periodicals<br/>Business--Bibliography--Periodicals<br/>Business--Information services--Directories<br/>Reference books--Management--Bibliography--Periodicals<br/>Management--Bibliography--Periodicals<br/>Management--Information services--Directories