APA (7th ed.) Citation

Arias, P. R. (2006). Philippine environment faces basic challenges. Manila Bulletin.

Chicago Style (17th ed.) Citation

Arias, Priscila R. "Philippine Environment Faces Basic Challenges." Manila Bulletin 2006.

MLA (9th ed.) Citation

Arias, Priscila R. "Philippine Environment Faces Basic Challenges." Manila Bulletin, 2006.

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