Rutayisingwa, John <br/><br/>
Ngumi ukutani 

 - Dar es Salaam  Longmans  1979 
 - vi,80p.  20cm. 
<br/><br/><label>ISBN: </label>058262356.1 
<br/><br/><label>LC Class. No.: </label>EAF PAM PL8704.R8N45