APA (7th ed.) Citation

Earth Day Network Philippines. (2002). Kumusta ka na, inang kalikasan? Earthday Network-Philippines.

Chicago Style (17th ed.) Citation

Earth Day Network Philippines. Kumusta Ka Na, Inang Kalikasan? Quezon City: Earthday Network-Philippines, 2002.

MLA (9th ed.) Citation

Earth Day Network Philippines. Kumusta Ka Na, Inang Kalikasan? Earthday Network-Philippines, 2002.

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