Παραπομπή σε μορφή APA (7η εκδ.)

(1976). Bicol River Basin Development Program: Planning and project development activities, July-December 1976. Program Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bicol River Basin Development Program: Planning and Project Development Activities, July-December 1976. Camarines Sur: Program Office, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bicol River Basin Development Program: Planning and Project Development Activities, July-December 1976. Program Office, 1976.