Rules of procedure of the Economic and Social Council. 

 - Lake Sucess :  United Nations,  1950. 
 - United Nations. [Document] ;  E/1662 .
 - Document (United Nations) ;  E/1662 .
<br/><br/> "United Nations publications. Sales no.: 1950.I.2." 
<br/><br/><label>LCCN: </label>51001765 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United Nations. Economic and Social Council. -- Rules and practice. United Nations. Economic and Social Council. -- Rules and practice. --United Nations. Economic and Social Council. -- Rules and practice.