Population, Resources, Environment, and the Philippine Futures (Organization). (1980). Probing our futures: The Philippines 2000. Population Resources, and the Philippines Futures (PREPF).
Cita Chicago (17th ed.)Population, Resources, Environment, and the Philippine Futures (Organization). Probing Our Futures: The Philippines 2000. Manila: Population Resources, and the Philippines Futures (PREPF), 1980.
Cita MLA (9th ed.)Population, Resources, Environment, and the Philippine Futures (Organization). Probing Our Futures: The Philippines 2000. Population Resources, and the Philippines Futures (PREPF), 1980.
Atenció: Aquestes cites poden no estar 100% correctes.