Philippines (Republic). Industrial Development Center. (1956). Cotton: Cultivation, grading, and marketing. [s.n.
Chicagoスタイル(17版)引用形式Philippines (Republic). Industrial Development Center. Cotton: Cultivation, Grading, and Marketing. Manila: [s.n, 1956.
MLA(9版)引用形式Philippines (Republic). Industrial Development Center. Cotton: Cultivation, Grading, and Marketing. [s.n, 1956.
警告: この引用は必ずしも正確ではありません.