De Leon, I. C. (1998). RP-Hungary tourism, trade accords signed. Manila Bulletin.
Chicago (17e ed.) BronvermeldingDe Leon, Isabel C. "RP-Hungary Tourism, Trade Accords Signed." Manila Bulletin 1998.
MLA (9e ed.) BronvermeldingDe Leon, Isabel C. "RP-Hungary Tourism, Trade Accords Signed." Manila Bulletin, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.