APA ציטוט
Ikerd, J. E. (2012). The essentials of economic sustainability. Kumarian Press.
Chicago Style (17th ed.) Citation
Ikerd, John E. The Essentials of Economic Sustainability. Sterling, Va.: Kumarian Press, 2012.
ציטוט MLA
Ikerd, John E. The Essentials of Economic Sustainability. Kumarian Press, 2012.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.