APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.