Style de citation APA (7e éd.)

Philippines (Republic). Office of the President. Presidential Economic Staff. (1967). Negros Oriental. s.n.

Style de citation Chicago (17e éd.)

Philippines (Republic). Office of the President. Presidential Economic Staff. Negros Oriental. [Manila: s.n, 1967.

Style de citation MLA (9e éd.)

Philippines (Republic). Office of the President. Presidential Economic Staff. Negros Oriental. s.n, 1967.