Aguirre, V. V. M. (1987). Subject and title index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center.
芝加哥风格引文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引文Aguirre, Vyva Victoria Magsarili. Subject and Title Index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center, 1987.
警告：这些引文格式不一定是100％准确.