Dyfyniad APA

(1980). Five-year Philippine development plan, 1978-1982. [s.n.].

Dyfyniad Arddull Chicago

Five-year Philippine Development Plan, 1978-1982. Manila: [s.n.], 1980.

Dyfyniad MLA

Five-year Philippine Development Plan, 1978-1982. [s.n.], 1980.

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