APA-referens (7:e uppl.)

Philippines (Rep.) National Statistical Coordination Board. (1997). 1997 Philippine statistical yearbook. National Statistical Coordination Board.

Chicago-referens (17:e uppl.)

Philippines (Rep.) National Statistical Coordination Board. 1997 Philippine Statistical Yearbook. Makati City: National Statistical Coordination Board, 1997.

MLA-referens (9:e uppl.)

Philippines (Rep.) National Statistical Coordination Board. 1997 Philippine Statistical Yearbook. National Statistical Coordination Board, 1997.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.