def link(self, obj_id, link_type='shared_read_link'):
		'''Return a preauthenticated (usable by anyone) link to a
				specified object. Object will be considered "shared" by OneDrive,
				even if link is never actually used.
			link_type can be either "embed" (returns html), "shared_read_link" or "shared_edit_link".'''
		assert link_type in ['embed', 'shared_read_link', 'shared_edit_link']
		return self(self._api_url_join(obj_id, link_type), method='get')