Philippine National Bank, Manila, & Development Bank of the Philippines. (1971). PNB rural banks DBP financial assistance programs to Filipino cooperatives and retailers. s.n.
Chicago-viite (17. p.)Philippine National Bank, Manila, ja Development Bank of the Philippines. PNB Rural Banks DBP Financial Assistance Programs to Filipino Cooperatives and Retailers. [Manila: s.n, 1971.
MLA-viite (9. p.)Philippine National Bank, Manila, ja Development Bank of the Philippines. PNB Rural Banks DBP Financial Assistance Programs to Filipino Cooperatives and Retailers. s.n, 1971.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.