Strunk and White say that punctuation goes inside the quotation marks regardless of the context (except for question marks and explanation marks), so if you are

Strunk and White say that punctuation goes inside the quotation marks regardless of the context (except for question marks and explanation marks), so if you are listing quotes, then the comma goes on the inside of each quote. On a side note...The serial comma (the last one in a list of items) is most certainly needed (imho?).