University of the Philippines (Diliman) Law Center, Institute of Government and Law Reform, Arroyo, B. C., & Frianeza, P. (1990). Annotated 1987 presidential issuances (January 1 to July 26, 1987): Executive orders, proclamations, memorandum orders, memorandum circulars, administrative orders. U.P. Law Center.
Chicago Style (17th ed.) CitationUniversity of the Philippines (Diliman) Law Center, Institute of Government and Law Reform, Basilisa C. Arroyo, and Perla Frianeza. Annotated 1987 Presidential Issuances (January 1 to July 26, 1987): Executive Orders, Proclamations, Memorandum Orders, Memorandum Circulars, Administrative Orders. Quezon City: U.P. Law Center, 1990.
MLA (9th ed.) CitationUniversity of the Philippines (Diliman) Law Center, et al. Annotated 1987 Presidential Issuances (January 1 to July 26, 1987): Executive Orders, Proclamations, Memorandum Orders, Memorandum Circulars, Administrative Orders. U.P. Law Center, 1990.