Resources for the Future (U.S.), Johnson, D. G., & Clawson, M. (1964). Natural resources and international development. Published for Resources for the Future, Inc. by the John Hopkins Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Resources for the Future (U.S.), D. Gale Johnson, و Marion Clawson. Natural Resources and International Development. Baltimore, Maryland: Published for Resources for the Future, Inc. by the John Hopkins Press, 1964.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Resources for the Future (U.S.), et al. Natural Resources and International Development. Published for Resources for the Future, Inc. by the John Hopkins Press, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.