(2000). A.O.60, licensing of airmen-amendment. Philippine Star.
Dyfyniad Arddull Chicago"A.O.60, Licensing of Airmen-amendment." Philippine Star 2000.
Dyfyniad MLA"A.O.60, Licensing of Airmen-amendment." Philippine Star, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.