United States. Agency for International Development & Food for Peace Division. (1968). Economic development projects in Pampanga province (second district). [s.n.
Chicagoスタイル(17版)引用形式United States. Agency for International Development , Food for Peace Division. Economic Development Projects in Pampanga Province (second District). Manila: [s.n, 1968.
MLA(9版)引用形式United States. Agency for International Development , Food for Peace Division. Economic Development Projects in Pampanga Province (second District). [s.n, 1968.
警告: この引用は必ずしも正確ではありません.