Dyfyniad APA

Philippines. Environmental Management Bureau. (1980). Directory of environmental legislations. Environmental Management Bureau.

Dyfyniad Arddull Chicago

Philippines. Environmental Management Bureau. Directory of Environmental Legislations. [Quezon City]: Environmental Management Bureau, 1980.

Dyfyniad MLA

Philippines. Environmental Management Bureau. Directory of Environmental Legislations. Environmental Management Bureau, 1980.

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