APA (7e ed.) Bronvermelding

Aguirre, V. V. M. (1987). Subject and title index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center.

Chicago (17e ed.) Bronvermelding

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 (9e ed.) Bronvermelding

Aguirre, Vyva Victoria Magsarili. Subject and Title Index to Executive Orders, February 25, 1986-July 26, 1987. U.P. Legal Resources Center, 1987.