revoke

I am looking for someone to translate from English to Turkish a document to revoke Power of Attorney for me, as I want to present this when I visit next week. Help appreciated thanks

Having now got all of my paperwork, tapus etc finalised I want to make sure that any Power of attorney is now cancelled. We did at the time give power of attorney to the agent but as I dont have a copy I am not sure if it was full or partial (Oh with hindsight!) In any case I will be over in a...