Abdallah B. Yohana   <br/><br/>
Zamani za Wayao: (Chiikala cha Wayao) 

 - Peramiho:   Benedictine Publications Ndanda,   1991. 
 - 63 s.  20.5 cm. 
<br/><br/><label>ISBN: </label>9976633009 
<br/><br/><label>LC Class. No.: </label>PL 8704  / .A23 1991