Avakov, A. V. (2010). Two thousand years of economic statistics: Population, GDP at PPP, and GDP per capita. Algora Publishing.
Lua i Stíl Chicago (17ú heag.)Avakov, Alexander V. Two Thousand Years of Economic Statistics: Population, GDP at PPP, and GDP Per Capita. New York: Algora Publishing, 2010.
Lua MLA (9ú heag.)Avakov, Alexander V. Two Thousand Years of Economic Statistics: Population, GDP at PPP, and GDP Per Capita. Algora Publishing, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.