Philippines. National Economic and Development Authority. (1983). Annual development performance report Region I, (Ilocos) CY 1983. National Economic and Development Authority.
Citação do estilo Chicago (17ª ed.)Philippines. National Economic and Development Authority. Annual Development Performance Report Region I, (Ilocos) CY 1983. San Fernando, La Union: National Economic and Development Authority, 1983.
Citação MLA (9ª ed.)Philippines. National Economic and Development Authority. Annual Development Performance Report Region I, (Ilocos) CY 1983. National Economic and Development Authority, 1983.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.