Cita APA (7th ed.)

(2002). Urban forests make environmental and economic sense. Manila Bulletin.

Cita Chicago (17th ed.)

"Urban Forests Make Environmental and Economic Sense." Manila Bulletin 2002.

Cita MLA (9th ed.)

"Urban Forests Make Environmental and Economic Sense." Manila Bulletin, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.