(1997). Further upgrade in RP rating seen. IN Perspective [column]. Philippine Daily Inquirer.
Chicago (17e ed.) Bronvermelding"Further Upgrade in RP Rating Seen. IN Perspective [column]." Philippine Daily Inquirer 1997.
MLA (9e ed.) Bronvermelding"Further Upgrade in RP Rating Seen. IN Perspective [column]." Philippine Daily Inquirer, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.