Philippines (Republic) Industrial Development Center. (1962). Report on the economic survey of Ilocos Norte. IDC.
Chicagoスタイル(17版)引用形式Philippines (Republic) Industrial Development Center. Report on the Economic Survey of Ilocos Norte. Manila: IDC, 1962.
MLA(9版)引用形式Philippines (Republic) Industrial Development Center. Report on the Economic Survey of Ilocos Norte. IDC, 1962.
警告: この引用は必ずしも正確ではありません.