APA način citiranja (7. izdanje)

(1978). Population, resources, environment & the Philippine future. PREPF.

Čikaški stil citiranja (17. izdanje)

Population, Resources, Environment & the Philippine Future. [Place of publication not identified]: PREPF, 1978.

MLA način citiranja (9. izdanje)

Population, Resources, Environment & the Philippine Future. PREPF, 1978.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.