Roxas, F. (2005). DENR puts 1,595 concrete monuments in 2,000 km stretch of forestlands in C. Luzon. Manila Bulletin.
Chicago (17e ed.) BronvermeldingRoxas, Fred. "DENR Puts 1,595 Concrete Monuments in 2,000 Km Stretch of Forestlands in C. Luzon." Manila Bulletin 2005.
MLA (9e ed.) BronvermeldingRoxas, Fred. "DENR Puts 1,595 Concrete Monuments in 2,000 Km Stretch of Forestlands in C. Luzon." Manila Bulletin, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.