Cita APA (7a ed.)

Philippines. Regional Development Council, Region I. (1980). Regional development investment program: Region I, 1981-1985. RDC, Reg. I.

Cita Chicago Style (17a ed.)

Philippines. Regional Development Council, Region I. Regional Development Investment Program: Region I, 1981-1985. San Fernando, La Union: RDC, Reg. I, 1980.

Cita MLA (9a ed.)

Philippines. Regional Development Council, Region I. Regional Development Investment Program: Region I, 1981-1985. RDC, Reg. I, 1980.