National Historical Institute & Regional Seminar on History. (1975). Proceedings and position papers of the Regional Seminar on History. NHI.
Citazione stile Chigago Style (17a edizione)National Historical Institute e Regional Seminar on History. Proceedings and Position Papers of the Regional Seminar on History. Manila: NHI, 1975.
Citatione MLA (9a ed.)National Historical Institute e Regional Seminar on History. Proceedings and Position Papers of the Regional Seminar on History. NHI, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.