Dyfyniad APA

(1997). Preserving the country's water resources. IN Editorial [column]. Manila Bulletin.

Dyfyniad Arddull Chicago

"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin 1997.

Dyfyniad MLA

"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.