APA aipamena

Mable, S. (2000). The E side of DENR: Cleaning up the air. Philippines Free Press.

Chicago Style aipamena

Mable, S.A. "The E Side of DENR: Cleaning Up the Air." Philippines Free Press 2000.

MLA aipamena

Mable, S.A. "The E Side of DENR: Cleaning Up the Air." Philippines Free Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.