Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. National Council on Integrated Area Development. (1983). Abra integrated area development project. NACIAD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. National Council on Integrated Area Development. Abra Integrated Area Development Project. Quezon City: NACIAD, 1983.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. National Council on Integrated Area Development. Abra Integrated Area Development Project. NACIAD, 1983.