public function listClients($accountID, $options = array(), $maxpages = 1)
	{
		if ($this->isAuthenticated())
		{
			$next = array_key_exists('nextPageToken', $options) ? $options['nextPage'] : null;
			unset($options['nextPageToken']);
			$url = 'https://www.googleapis.com/adsense/v1.1/accounts/' . urlencode($accountID) . '/adclients?' . http_build_query($options);

			return $this->listGetData($url, $maxpages, $next);
		}

		return false;
	}