APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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