APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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