APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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