(1997). 1997 DOTC accomplishment reports. Manila Bulletin.
Dyfyniad Arddull Chicago"1997 DOTC Accomplishment Reports." Manila Bulletin 1997.
Dyfyniad MLA"1997 DOTC Accomplishment Reports." Manila Bulletin, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.