University of the Philippines (Diliman). Law Center. Division of Research and Law Reform, University of the Philippines (Diliman). Law Center, Division of Research and Law Reform, Arroyo, B. C., & Frianeza, P. (1987). 1986 presidential issuances: An annotated compilation of executive orders, proclamations, memorandum orders, memorandum circulars and administrative orders, February 25 - December 31, 1986. U.P. Law Center.
Cita Chicago (17th ed.)University of the Philippines (Diliman). Law Center. Division of Research and Law Reform, University of the Philippines (Diliman). Law Center, Division of Research and Law Reform, Basilisa C. Arroyo, i Perla Frianeza. 1986 Presidential Issuances: An Annotated Compilation of Executive Orders, Proclamations, Memorandum Orders, Memorandum Circulars and Administrative Orders, February 25 - December 31, 1986. Quezon City: U.P. Law Center, 1987.
Cita MLA (9th ed.)University of the Philippines (Diliman). Law Center. Division of Research and Law Reform, et al. 1986 Presidential Issuances: An Annotated Compilation of Executive Orders, Proclamations, Memorandum Orders, Memorandum Circulars and Administrative Orders, February 25 - December 31, 1986. U.P. Law Center, 1987.