Heske, E., Deelen, T. R., & Wydeven, A. P. (2009). Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer New York. https://doi.org/10.1007/978-0-387-85952-1
Lua i Stíl Chicago (17ú heag.)Heske, Edward, Timothy R. Deelen, agus Adrian P. Wydeven. Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. New York, NY: Springer New York, 2009. https://doi.org/10.1007/978-0-387-85952-1.
Lua MLA (9ú heag.)Heske, Edward, et al. Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer New York, 2009. https://doi.org/10.1007/978-0-387-85952-1.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.