 
| Type | Valeur | 
|---|---|
| Titre | Oxford Illustrated History of British Monarch | 
| Personnes | 
|---|
|  King PENDA of Mercia | 
| John Cannon & Ralph Griffiths, The Oxford Illustrated History of the British Monarch (Oxford University Press, University of Oxford, Great Clarendon Street, Oxford OX26DP, England, 2000), Page 26. |