APA (7th ed.) Citation

(1989). Social weather bulletin: 1990 series. Social Weather Stations, Inc.

Chicago Style (17th ed.) Citation

Social Weather Bulletin: 1990 Series. Quezon city: Social Weather Stations, Inc, 1989.

MLA (9th ed.) Citation

Social Weather Bulletin: 1990 Series. Social Weather Stations, Inc, 1989.

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