Stata reference manual : 
 Stata 7 reference 

 - Version 7.0. 
 - College Station, TX :  Stata Corporation (SC) ,  2001 
 - 4 vols. :  ill. ;  24 cm. 
<br/><br/> "Statistic -- graphics -- data management" -- Running title on cover. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>v. 1. Reference A-G -- v. 2. Reference H-P -- v. 3. Reference Q-St -- v. 4. Reference Su-Z. 
<br/><br/><label>ISBN: </label>1881228487 (v. 1) 1881228495 (v. 2) 1881228509 (v. 3) 1881228517 (v. 4) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Stata.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs<br/>Social sciences--Statistics--Computer programs
<br/><br/><label>Gov. Doc. Class. No.: </label>US SC Sta-4