Cita APA (7th ed.)

Philippines. Protected Areas and Wildlife Bureau. (1992). Field reference material on protected area. Foundation for Sustainable Development (FSDI) Department of Environment and Natural Resources (DENR).

Cita Chicago (17th ed.)

Philippines. Protected Areas and Wildlife Bureau. Field Reference Material on Protected Area. [Quezon City]: Foundation for Sustainable Development (FSDI) Department of Environment and Natural Resources (DENR), 1992.

Cita MLA (9th ed.)

Philippines. Protected Areas and Wildlife Bureau. Field Reference Material on Protected Area. Foundation for Sustainable Development (FSDI) Department of Environment and Natural Resources (DENR), 1992.