[racket] Question about reading string on a file

Hello, i am a french student, sorry for my english.
 My problem is :
 I want to write an A-List on a file "Diary.txt" , this A-list contains couples of a symbol and a string. Example : '((17/05/2011 "Hello guys") (18/05/2011 "good morning")) .
But I have a problem when I read this A-List from the file with the function (read p-in), it transforms strings to symbol .. like that : '((17/05/2011 Hello guys) (18/05/2011 good morning))
How to get back the A-List with strings like on my example ?

Thanks, jimmy.
 		 	   		  
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