Effective guide to libraries & reference sources 
/ Evelyn A. Natividad [and others] 
 - Manila :  National Book Store,  1987 
 - 245 pages :  illustrations 
<br/><br/>Includes bibliographical references. 
<br/><br/>Parts of the book The card catalog The classification systems The reference process Reference questions Dictionaries Encyclopedias Yearbook and almanacs biographical dictionaries Geographical sources Handbooks Manuals Directories Indexes Serials Government publications Nonbook materials Computers Bibliographies and footnotes Working bibliography Research paper 
<br/><br/><label>ISBN: </label>9710839837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library resources<br/>Information services<br/>Library services<br/>Reference services (Libraries)
<br/><br/><label>Dewey Class. No.: </label>025.52