Langley, K. M. (1969). The economics of the international petroleum industry and the economy of the Philippines. The Philippine Review of Business and Economics.
Chicagoスタイル(17版)引用形式Langley, Kathleen M. "The Economics of the International Petroleum Industry and the Economy of the Philippines." The Philippine Review of Business and Economics 1969.
MLA(9版)引用形式Langley, Kathleen M. "The Economics of the International Petroleum Industry and the Economy of the Philippines." The Philippine Review of Business and Economics, 1969.
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