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 Culture of Namibia:

"

When shaking someone's hand especially when its an elder, males are required to nod their heads while females are required to bend their knees a little bit as a form of respect.[citation needed]