Tohutoro APA (7th ed.)
Ikerd, J. E. (2012). The essentials of economic sustainability. Kumarian Press.
Tohutoru Kātū Chicago (17th ed.)
Ikerd, John E. The Essentials of Economic Sustainability. Sterling, Va.: Kumarian Press, 2012.
Tohutoro MLA (9th ed.)
Ikerd, John E. The Essentials of Economic Sustainability. Kumarian Press, 2012.
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