APA(7版)引用形式

Philippines. Nayional Irrigation Administration. Upper Pampanga river project. s.n].

Chicagoスタイル(17版)引用形式

Philippines. Nayional Irrigation Administration. Upper Pampanga River Project. [manila: s.n].

MLA(9版)引用形式

Philippines. Nayional Irrigation Administration. Upper Pampanga River Project. s.n].

警告: この引用は必ずしも正確ではありません.