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 Barbarian:

This text is part of the article's lead section, so referencing it may be optional. Please see WP:CITELEAD for more information.

"

A barbarian is a person or tribe of people that is perceived to be primitive, savage and warlike.[1] Many cultures have referred to other cultures as barbarians, sometimes out of misunderstanding and sometimes out of prejudice.[citation needed]