National Flag Foundation. The standard bearer: A National Flag Foundation publication. National Flag Foundation.
Chicago (17e ed.) BronvermeldingNational Flag Foundation. The Standard Bearer: A National Flag Foundation Publication. Pittsburgh, PA: National Flag Foundation.
MLA (8e ed.) BronvermeldingNational Flag Foundation. The Standard Bearer: A National Flag Foundation Publication. National Flag Foundation.
Let op: Deze citaties zijn niet altijd 100% accuraat.