Ndiho , Pricilla  et al . <br/><br/>
Sportlight  Quick Revision Biology  .;  F3 and F4 , 
Pricilla Ndiho . ,Cyprus Kimunduu .  
 - 2nd edition.  
 - Nairobi :  Sportlight Publishers (EA) Limited .  2012 . 
 - v , 306 p .;  col . illustrations.   17 cm . 
<br/><br/><label>ISBN: </label>978-9966-002-35-8 
<br/><br/><label>Dewey Class. No.: </label>570  / C 1