Pechenik, J.A. <br/><br/>
Biology of the invertabrates/ 
Jana A. Pechenik. 
 - 6th. 
 - Boston:  McGraw-Hill,  2010. 
 - xv,606 p.:  ill.;  28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>9780071284554 
<br/><br/><label>LC Class. No.: </label>DUCE QL362.P43