APA (7 ম সংস্করণ) উদ্ধৃতি

(1997). Philippine agenda 21: A national agenda for sustainable development. Philippine Council for Sustainable Development.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Philippine Agenda 21: A National Agenda for Sustainable Development. Manila: Philippine Council for Sustainable Development, 1997.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Philippine Agenda 21: A National Agenda for Sustainable Development. Philippine Council for Sustainable Development, 1997.