APA (7th ed.) Citation

(2001). The 2001 Philippines yearbook: Facts and figures. s.n.].

Chicago Style (17th ed.) Citation

The 2001 Philippines Yearbook: Facts and Figures. [Manila: s.n.], 2001.

MLA (9th ed.) Citation

The 2001 Philippines Yearbook: Facts and Figures. s.n.], 2001.