Dyfyniad APA

Philippines (Republic). National Economic Council. (1967). Economic survey report of the Bicol region, 1967. [s.n.].

Dyfyniad Arddull Chicago

Philippines (Republic). National Economic Council. Economic Survey Report of the Bicol Region, 1967. Manila: [s.n.], 1967.

Dyfyniad MLA

Philippines (Republic). National Economic Council. Economic Survey Report of the Bicol Region, 1967. [s.n.], 1967.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.