APA-čujuhus (7. p.)
Keen, M. (2012). Taxation and development - again. International Monetary Fund.
Chicago-čujuhus (17. p.)
Keen, Michael. Taxation and Development - Again. Washington, D.C.: International Monetary Fund, 2012.
MLA-čujuhus (9. p.)
Keen, Michael. Taxation and Development - Again. International Monetary Fund, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.