Richardson, J. E. (1977). Reservations. Princeton University.
Chicago-čujuhus (17. p.)Richardson, James E. Reservations. Princeton: Princeton University, 1977.
MLA-čujuhus (9. p.)Richardson, James E. Reservations. Princeton University, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.