[ ] sp capword sp capword . sp capword sp othword sp othword , sp othword sp othword othword sp othword , sp othword sp othword othword sp othword sp othword , sp year , sp num sp othword , sp othword sp othword : sp capword sp othword , sp othword sp othword , sp num . num , sp othword year - num - num - year . sp capword sp capword sp othword sp capword sp capword , sp num ( num ) : num – num , sp capword sp year .