APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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