APA-referens (7:e uppl.)

Private Development Corporation of the Philippines. Economic and Corporate Research Office. (1973). The flour milling industry. s.n.].

Chicago-referens (17:e uppl.)

Private Development Corporation of the Philippines. Economic and Corporate Research Office. The Flour Milling Industry. [Makati, Rizal: s.n.], 1973.

MLA-referens (9:e uppl.)

Private Development Corporation of the Philippines. Economic and Corporate Research Office. The Flour Milling Industry. s.n.], 1973.