APA-čujuhus (7. p.)
Blankley, T. (2009). American grit: What it will take to survive and win in the 21st century. Regnery Pub. Inc..
Chicago-čujuhus (17. p.)
Blankley, Tony. American Grit: What It Will Take to Survive and Win in the 21st Century. Washington, D.C.: Regnery Pub. Inc., 2009.
MLA-čujuhus (9. p.)
Blankley, Tony. American Grit: What It Will Take to Survive and Win in the 21st Century. Regnery Pub. Inc., 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.