Leland, J. (2005). Aliens in the backyard: Plant and animal imports into America. University of South Carolina Press.
Cita Chicago (17th ed.)Leland, John. Aliens in the Backyard: Plant and Animal Imports into America. Columbia, SC: University of South Carolina Press, 2005.
Cita MLA (9th ed.)Leland, John. Aliens in the Backyard: Plant and Animal Imports into America. University of South Carolina Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.