Παραπομπή σε μορφή APA (7η εκδ.)

Philippines (Republic). National Electrification Administration. (1973). National directory for electric cooperatives. National Electrification Administration.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines (Republic). National Electrification Administration. National Directory for Electric Cooperatives. Quezon City: National Electrification Administration, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines (Republic). National Electrification Administration. National Directory for Electric Cooperatives. National Electrification Administration, 1973.