Kovacs, Diane K. , <br/><br/>
The virtual reference handbook :  interview and information delivery techniques for the chat and e-mail environments / 
Diane K. Kovacs. 
 - xvii, 132 pages ;  23 cm. 
<br/><br/><label>ISBN: </label>9781856046268 1856046265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic reference services (Libraries).
<br/><br/><label>LC Class. No.: </label>Z 711.45   / .K68 2007