Drilon, J. D., Jr. (1968). Some aspects of Philippine agricultural development: An exploratory view. Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Drilon, J. D., Jr. "Some Aspects of Philippine Agricultural Development: An Exploratory View." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Drilon, J. D., Jr. "Some Aspects of Philippine Agricultural Development: An Exploratory View." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics), 1968.
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