The article is fairly well referenced. However, a number of references are no longer active (see above). As these were fairly minor sources it has not been seen necessary to fail the article - but they must be fixed asap, by either resource the material or removing it from the article. Additionally, some sections were heavily reliant upon a single source, especially the early history of Singapore. These sections would benefit from the introduction of alternative and complimentary references.
The article is fairly well referenced. However, a number of references are no longer active (see above). As these were fairly minor sources it has not been seen necessary to fail the article - but they must be fixed asap, by either resource the material or removing it from the article. Additionally, some sections were heavily reliant upon a single source, especially the early history of Singapore. These sections would benefit from the introduction of alternative and complimentary references.