Grogan, Denis <br/><br/>
Practical reference work / 
Denis Grogan 
 - 2nd ed. 
 - London :  Library Association,  1992 
 - 144 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0851574092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)