Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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