Note that technically as a result of our transition to CC BY SA a link to the original article is enough to satisfy the license However I agree that as a courtesy the Vietnamese Wikipedia should be better about explicitly crediting the source wiki in translations In the past I would simply add an interwiki and state D ch t Wikipedia ti ng Anh Translated from the English Wikipedia in the first edit s summary Do you happen to know how other wikis tend to do this especially wikis with fewer than 100 000 articles since they primarily translate talk contribs