[ capword : year : upword ] sp capword sp othword sp capword sp othword sp capword othword sp capword . sp capword - othword sp othword sp othword sp othword othword sp othword sp othword sp othword smallet sp othword . sp capword capword sp capword sp othword sp capword sp capword , sp num ( num ) : num – num , year . upword sp othword : / / othword . othword . othword / othword / num . num / upword capword : sp caplet sp othword sp othword - othword sp othword sp othword sp othword othword sp ( upword ) sp othword sp othword sp othword . sp capword othword sp othword sp othword sp othword sp othword , othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword sp othword sp othword sp othword othword . sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword sp othword sp othword . sp capword othword sp othword sp othword sp othword sp othword sp othword othword - othword sp upword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword sp othword .