nope, you need to list out each of the tables..

SELECT contact.field1, contact.field2, business.field1, acn.field1 
FROM contact, business, acn
WHERE ... (Etc.)
[download]

or you can assign aliases

SELECT c.field1, c.field2, b.field1, a.field1 
FROM contact c, business b, acn a
WHERE ... (Etc.)
[download]

OK?