APA (7. basım) Alıntı

Engineering Consultants Inc & Philippines (Republic). National Irrigation Administration. (1971). Upper Pampanga River project power study. [s.n.].

Chicago Style (17. basım) Atıf

Engineering Consultants Inc ve Philippines (Republic). National Irrigation Administration. Upper Pampanga River Project Power Study. Manila: [s.n.], 1971.

MLA (9th ed.) Atıf

Engineering Consultants Inc ve Philippines (Republic). National Irrigation Administration. Upper Pampanga River Project Power Study. [s.n.], 1971.