Corbett, J. B. (2013). Seven summers: A naturalist homesteads in the modern West. University of Utah Press.
Lua i Stíl Chicago (17ú heag.)Corbett, Julia B. Seven Summers: A Naturalist Homesteads in the Modern West. Salt Lake City: University of Utah Press, 2013.
Lua MLA (9ú heag.)Corbett, Julia B. Seven Summers: A Naturalist Homesteads in the Modern West. University of Utah Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.