APA aipamena

Dagum, L. I. (1997). Recycling towards a sustainable future. Manila Bulletin.

Chicago Style aipamena

Dagum, Lovelee I. "Recycling Towards a Sustainable Future." Manila Bulletin 1997.

MLA aipamena

Dagum, Lovelee I. "Recycling Towards a Sustainable Future." Manila Bulletin, 1997.