(2004). Apostol delivers Plaridel lecture at UP Monday. Philippine Daily Inquirer.
Chicago Style (17. basım) Atıf"Apostol Delivers Plaridel Lecture at UP Monday." Philippine Daily Inquirer 2004.
MLA (9th ed.) Atıf"Apostol Delivers Plaridel Lecture at UP Monday." Philippine Daily Inquirer, 2004.
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