(1999). Historian, journalist Constantino dies. Philippine Star.
Dyfyniad Arddull Chicago"Historian, Journalist Constantino Dies." Philippine Star 1999.
Dyfyniad MLA"Historian, Journalist Constantino Dies." Philippine Star, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.