McKinney, M., & Johnson, S. (2009). Working across boundaries: People, nature, and regions. Lincoln Institute of Land Policy.
Lua i Stíl Chicago (17ú heag.)McKinney, Matthew, agus Shawn Johnson. Working Across Boundaries: People, Nature, and Regions. Cambridge, Mass.: Lincoln Institute of Land Policy, 2009.
Lua MLA (9ú heag.)McKinney, Matthew, agus Shawn Johnson. Working Across Boundaries: People, Nature, and Regions. Lincoln Institute of Land Policy, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.