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