Gallardo, R. T. (1998). Ricky Davao soars to greater heights. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Gallardo, Ricky T. "Ricky Davao Soars to Greater Heights." Philippine Daily Inquirer 1998.
MLA(9版)引用形式Gallardo, Ricky T. "Ricky Davao Soars to Greater Heights." Philippine Daily Inquirer, 1998.
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