APA-čujuhus (7. p.)
Ikerd, J. E. (2012). The essentials of economic sustainability. Kumarian Press.
Chicago-čujuhus (17. p.)
Ikerd, John E. The Essentials of Economic Sustainability. Sterling, Va.: Kumarian Press, 2012.
MLA-čujuhus (9. p.)
Ikerd, John E. The Essentials of Economic Sustainability. Kumarian Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.