Cita APA (7th ed.)

Philippines (Republic). National Economic Council. (1967). Economic survey of the province of Bulacan. [s.n.].

Cita Chicago (17th ed.)

Philippines (Republic). National Economic Council. Economic Survey of the Province of Bulacan. Manila: [s.n.], 1967.

Cita MLA (9th ed.)

Philippines (Republic). National Economic Council. Economic Survey of the Province of Bulacan. [s.n.], 1967.