simple select statement inquiry

table1
empno varchar(9) not null
peer varchar(9) not null references table2(empno)
superior varchar(9) not null references table2(empno)

table2
empno varchar(9)
firstname varchar(20)
lastname varchar(20)

what i want to do is get all entries in table 1 and transform peer and
superior fields (which contains empno) into their respective firstname +
lastname in one query

desired output
empno             peer                   superior
1000        John Smith        Henry Dunst
2000        Juan dela Cruz        Pepe Smith

TIA
joseph