APA-čujuhus (7. p.)
Federico, G. (2009). Feeding the world: An economic history of agriculture, 1800-2000. Princeton University Press.
Chicago-čujuhus (17. p.)
Federico, Giovanni. Feeding the World: An Economic History of Agriculture, 1800-2000. Princeton, N.J.: Princeton University Press, 2009.
MLA-čujuhus (9. p.)
Federico, Giovanni. Feeding the World: An Economic History of Agriculture, 1800-2000. Princeton University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.