Avakov, A. V. (2017). Two thousand years of economic statistics: World population, GDP, and PPP. Years 1 to 2014. Algora Publishing.
Chicago-Zitierstil (17. Ausg.)Avakov, Aleksandr V. Two Thousand Years of Economic Statistics: World Population, GDP, and PPP. Years 1 to 2014. New York: Algora Publishing, 2017.
MLA-Zitierstil (9. Ausg.)Avakov, Aleksandr V. Two Thousand Years of Economic Statistics: World Population, GDP, and PPP. Years 1 to 2014. Algora Publishing, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.