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 Absolutive case:

"

In tripartite languages, both the agent and object of a transitive clause have case forms, ergative and accusative, and the agent of an intransitive clause is the unmarked citation form. It is occasionally called the intransitive case, but absolutive is also used and is perhaps more accurate since it is not limited to core agents of intransitive verbs.[citation needed]