APA ציטוט

Espina, R. L. (2001). Hydrogen sulfide downs 36 students. IN The southern beat [column]. Philippine Star.

Chicago Style (17th ed.) Citation

Espina, Rolly L. "Hydrogen Sulfide Downs 36 Students. IN The Southern Beat [column]." Philippine Star 2001.

ציטוט MLA

Espina, Rolly L. "Hydrogen Sulfide Downs 36 Students. IN The Southern Beat [column]." Philippine Star, 2001.