Krent, H. J. (2005). Presidential powers. New York University Press.
Chicago-čujuhus (17. p.)Krent, Harold J. Presidential Powers. New York: New York University Press, 2005.
MLA-čujuhus (9. p.)Krent, Harold J. Presidential Powers. New York University Press, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.