Commercial refrigeration for air conditioning technicians / 
Wirz, Dick 
 - 3rd ed. 
 - USA :  Cengage Learning,  2018. 
 - x, 384 p.: col. Ill.; 28.3 cm. 
<br/><br/>Includes appendix, glossary, index 
<br/><br/><label>ISBN: </label>9781305506435 
<br/><br/><label>Dewey Class. No.: </label>C 621.57 W799 2018