Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Nanjing:

"

The spread of Catholicism in Nanjing began more than 400 years ago and was started by the scientist and missionary Matteo Ricci.[citation needed] The Shigu Road Catholic Church is the cathedral of the Catholic Diocese of Nanjing. The Nanjing Diocese with Nanjing as its center covers a vast area. As one of the national centers of Christianity in China, Nanjing has two seminaries, Jinling Theological Seminary and Jiangsu Theological Seminary. The Christian social service organization, Amity Foundation and the world's largest Bible printing company, Amity Printing Company are both in Nanjing.