(1976). Bicol River Basin Development Program: Planning and project development activities, July-December 1976. Program Office.
Citazione stile Chigago Style (17a edizione)Bicol River Basin Development Program: Planning and Project Development Activities, July-December 1976. Camarines Sur: Program Office, 1976.
Citatione MLA (9a ed.)Bicol River Basin Development Program: Planning and Project Development Activities, July-December 1976. Program Office, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.