Citazione Stile APA (7a Edizione)

National Development Company. (1962). Annual report of the acting General Manager for the fiscal period ending June 30, 1962-. [s.n.].

Citazione stile Chigago Style (17a edizione)

National Development Company. Annual Report of the Acting General Manager for the Fiscal Period Ending June 30, 1962-. Manila: [s.n.], 1962.

Citatione MLA (9a ed.)

National Development Company. Annual Report of the Acting General Manager for the Fiscal Period Ending June 30, 1962-. [s.n.], 1962.