(1999). A tradition of excellence. Manila Bulletin.
Chicago-čujuhus (17. p.)"A Tradition of Excellence." Manila Bulletin 1999.
MLA-čujuhus (9. p.)"A Tradition of Excellence." Manila Bulletin, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.