Holt, Marilyn <br/><br/>
Ventura :  the complete reference / 
Marilyn Holt [and] Richardo Birmele 
 - Berkeley :  Osborne McGraw-Hill,  1989 
 - 637 p. :  ill. ;  28 cm. 
<br/><br/> 'Covers version 2 & Professional Extension' - book cover