[ num ] sp capword sp upword . sp caplet sp upword sp othword sp othword sp capword sp capword sp othword sp upword sp capword sp capword . capword , sp upword : sp capword sp othword sp capword sp capword , sp capword sp othword sp capword ; sp year . sp upword - num . capword sp othword : sp othword : / / othword . othword . othword . othword / othword - othword / year / othword num . othword .