(1998). Fifteen years of leadership in educational publishing. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)"Fifteen Years of Leadership in Educational Publishing." Philippine Daily Inquirer 1998.
Citatione MLA (9a ed.)"Fifteen Years of Leadership in Educational Publishing." Philippine Daily Inquirer, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.