(1998). Fifteen years of leadership in educational publishing. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式"Fifteen Years of Leadership in Educational Publishing." Philippine Daily Inquirer 1998.
MLA(9版)引用形式"Fifteen Years of Leadership in Educational Publishing." Philippine Daily Inquirer, 1998.
警告: この引用は必ずしも正確ではありません.