APA (7th ed.) Citation

(1991). Philippine statistical yearbook 1991. National Statistical Coordination Board.

Chicago Style (17th ed.) Citation

Philippine Statistical Yearbook 1991. Philippines: National Statistical Coordination Board, 1991.

MLA (9th ed.) Citation

Philippine Statistical Yearbook 1991. National Statistical Coordination Board, 1991.

Warning: These citations may not always be 100% accurate.