APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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