Aguirre, V. V. M. (1987). Subject and title index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center.
Chicago-Zitierstil (17. Ausg.)Aguirre, Vyva Victoria Magsarili. Subject and Title Index to Executive Orders, February 25, 1986-July 26, 1987. Quezon City: U.P. Legal Resources Center, 1987.
MLA-Zitierstil (9. Ausg.)Aguirre, Vyva Victoria Magsarili. Subject and Title Index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.