Leland, J. (2005). Aliens in the backyard: Plant and animal imports into America. University of South Carolina Press.
Chicago-čujuhus (17. p.)Leland, John. Aliens in the Backyard: Plant and Animal Imports into America. Columbia, SC: University of South Carolina Press, 2005.
MLA-čujuhus (9. p.)Leland, John. Aliens in the Backyard: Plant and Animal Imports into America. University of South Carolina Press, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.