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