Irregular serials and annuals an international directory  compiled and edited by R.R. Bowker. 

 - 4th ed. 
 - New York  R.R. Bowker  1976 
 - xi, 1068p., 29cm 
 - (a bowker serials bibliograpphy). .
<br/><br/><label>ISBN: </label>0-8352-0901-6. 
<br/><br/><label>Dewey Class. No.: </label>052.016,  / B48I