Policies of the ACL wiki
Policies of the ACL wiki: "The ACL Wiki for Computational Linguistics is not intended for original research. Use proper citations to show that your contributions are not original research." I reverted the Books page to an earlier version, because the ACL Wiki policy requires citations of published work (i.e., work that has been professionally reviewed by a journal, conference, or other publisher with a formal reviewing process). Your link does not seem to be published work.