Philippines (Republic) President, 1965- (Marcos), Philippines (Republic) National Science Development Board, & Management Service. (1972). Executive orders, 1966-70. [s.n.].
Chicago-referens (17:e uppl.)Philippines (Republic) President, 1965- (Marcos), Philippines (Republic) National Science Development Board, och Management Service. Executive Orders, 1966-70. Taguig, Rizal: [s.n.], 1972.
MLA-referens (9:e uppl.)Philippines (Republic) President, 1965- (Marcos), et al. Executive Orders, 1966-70. [s.n.], 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.