Lopez, H. E. (1999). At the helm of U.P: Presidential accents. Office of the Secretary of the University of the Philippines.
Chicago-Zitierstil (17. Ausg.)Lopez, Helen E. At the Helm of U.P: Presidential Accents. Quezon City: Office of the Secretary of the University of the Philippines, 1999.
MLA-Zitierstil (9. Ausg.)Lopez, Helen E. At the Helm of U.P: Presidential Accents. Office of the Secretary of the University of the Philippines, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.