APA (7e ed.) Bronvermelding

Development Academy of the Philippines & Philippines. Department of Natural Resources. (1970). Inventory of natural resources: Technical report. Inventory of Natural Resources Project, Development Academy of the Philippines.

Chicago (17e ed.) Bronvermelding

Development Academy of the Philippines en Philippines. Department of Natural Resources. Inventory of Natural Resources: Technical Report. [Quezon City]: Inventory of Natural Resources Project, Development Academy of the Philippines, 1970.

MLA (9e ed.) Bronvermelding

Development Academy of the Philippines en Philippines. Department of Natural Resources. Inventory of Natural Resources: Technical Report. Inventory of Natural Resources Project, Development Academy of the Philippines, 1970.