(2000). A.O.60, licensing of airmen-amendment. Philippine Star.
Chicago Style aipamena"A.O.60, Licensing of Airmen-amendment." Philippine Star 2000.
MLA aipamena"A.O.60, Licensing of Airmen-amendment." Philippine Star, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.