APA-čujuhus (7. p.)

Hultgren. Border Walls Gone Green. University of Minnesota Press.

Chicago-čujuhus (17. p.)

Hultgren. Border Walls Gone Green. University of Minnesota Press.

MLA-čujuhus (9. p.)

Hultgren. Border Walls Gone Green. University of Minnesota Press.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.