Hibbeler, R.C. <br/><br/>
Engineering Mechanics Statics/ 
R.C. Hibbeler 
 -  Pearson Prentice Hall  c2004. 
<br/><br/><label>ISBN: </label>0-13-122882-X 
<br/><br/><label>Dewey Class. No.: </label>Circ. 531 H624 2004