Avakov, A. V. (2010). Two thousand years of economic statistics: Population, GDP at PPP, and GDP per capita. Algora Publishing.

Avakov, Alexander V. Two Thousand Years of Economic Statistics: Population, GDP at PPP, and GDP Per Capita. New York: Algora Publishing, 2010.

Avakov, Alexander V. Two Thousand Years of Economic Statistics: Population, GDP at PPP, and GDP Per Capita. Algora Publishing, 2010.