APA (7e ed.) Bronvermelding

Population, Resources, Environment, and the Philippine Futures (Organization). (1980). Probing our futures: The Philippines 2000. Population Resources, and the Philippines Futures (PREPF).

Chicago (17e ed.) Bronvermelding

Population, Resources, Environment, and the Philippine Futures (Organization). Probing Our Futures: The Philippines 2000. Manila: Population Resources, and the Philippines Futures (PREPF), 1980.

MLA (9e ed.) Bronvermelding

Population, Resources, Environment, and the Philippine Futures (Organization). Probing Our Futures: The Philippines 2000. Population Resources, and the Philippines Futures (PREPF), 1980.