Cita APA (7th ed.)

Creswell, J., & Cardwell, D. For clean power, profits are elusive. Manila Bulletin.

Cita Chicago (17th ed.)

Creswell, Julie, i Diane Cardwell. "For Clean Power, Profits Are Elusive." Manila Bulletin .

Cita MLA (9th ed.)

Creswell, Julie, i Diane Cardwell. "For Clean Power, Profits Are Elusive." Manila Bulletin, .