(2008). PNP to buy helicopters. Philippine Star.
Cita Chicago (17th ed.)"PNP to Buy Helicopters." Philippine Star 2008.
Cita MLA (9th ed.)"PNP to Buy Helicopters." Philippine Star, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)