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 Style (17th ed.) CitationLangley, Kathleen M. "The Economics of the International Petroleum Industry and the Economy of the Philippines." The Philippine Review of Business and Economics 1969.
MLA (9th ed.) CitationLangley, Kathleen M. "The Economics of the International Petroleum Industry and the Economy of the Philippines." The Philippine Review of Business and Economics, 1969.
Warning: These citations may not always be 100% accurate.