(1981). The Philippines: Facts and issues : January 1981. Ministry of Information.
Chicagoスタイル(17版)引用形式The Philippines: Facts and Issues : January 1981. [Quezon City]: Ministry of Information, 1981.
MLA(9版)引用形式The Philippines: Facts and Issues : January 1981. Ministry of Information, 1981.
警告: この引用は必ずしも正確ではありません.