Aguirre, V. V. M. (1987). Subject and title index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center.
Chicagoスタイル(17版)引用形式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(9版)引用形式Aguirre, Vyva Victoria Magsarili. Subject and Title Index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center, 1987.
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