(2001). Gov't units, private groups join hands to protect forests. Philippine Star.
Chicago Style aipamena"Gov't Units, Private Groups Join Hands to Protect Forests." Philippine Star 2001.
MLA aipamena"Gov't Units, Private Groups Join Hands to Protect Forests." Philippine Star, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.