Cita APA (7th ed.)

Lopez, H. E., & Fajutagana, L. M. (1999). At the helm of U.P: Presidential accents (First edition.). Office of the Secretary of the University of the Philippines, University of the Philippines System.

Cita Chicago (17th ed.)

Lopez, Helen E., i Leonora M. Fajutagana. At the Helm of U.P: Presidential Accents. First edition. Quezon City: Office of the Secretary of the University of the Philippines, University of the Philippines System, 1999.

Cita MLA (9th ed.)

Lopez, Helen E., i Leonora M. Fajutagana. At the Helm of U.P: Presidential Accents. First edition. Office of the Secretary of the University of the Philippines, University of the Philippines System, 1999.