Possible Duplicates:
Is it ever acceptable for a period to come after a quote at the end of a sentence?
How much punctuation is appropriate when ending a sentence with a full-sentence quotation?
If I have a sentence where I double quote what someone says, i.e.
The man said "How are you?"
If that was the end of the sentence, does it need a full stop at the end as follows?
The man said "How are you?".